solid

Borrowed from English solid. Doublet of solet and soled.


plasma

plasmâu (plural)
plasma
blasma (soft)
mhlasma
phlasma


ether

cy-noun

ether f (usually uncountable, plural ethra or ethera)

ethra (plural)
ethera (plural)
ether
hether (prothesis-h)
aether (alternative)

luminiferous aether
luminiferous aether#English

(uncountable, physics, historical) luminiferous aether (a substance formerly thought to fill all unoccupied space that allowed electromagnetic waves to pass through it and interact with matter, without interacting with them itself)

(uncountable, organic chemistry) ether, diethyl ether (C₄H₁₀O)

(countable) an ether (one of a class of organic compounds containing an oxygen atom bonded to two hydrocarbon groups)


mast

mast m (plural mastiau or mestys or mestydd)

mastiau (plural)
mestys (plural)
mestydd (plural)
mast
fast (soft)


nod

nod m (plural nodau or nodion, not mutable)

Borrowed from English node, from Latin nōdus.


ester

Internationalism borrowed from English ester.


halogen

halogen m (plural halogenau, not mutable)

1937, R. O. Davies, Elfennau Cemeg (Elements of Chemistry), University of Wales Press

"Another element belonging to the halogen family is fluorine."

Elfen arall yn perthyn i deulu’r halogenau yw ffluorin.


-us

From Middle Welsh -us, from Proto-Brythonic *-ʉs, from Latin -ōsus. Cognate with Cornish -us, Breton -us and English -ous.

chemical nomenclature
chemical nomenclature#English

chemical compound
chemical compound#English

chemical element
chemical element#English

oxidation number
oxidation number#English

(chemistry) -ous, Used in chemical nomenclature to name chemical compounds in which a specified chemical element has a lower oxidation number than in the equivalent compound whose name ends in the suffix -ig. For example asid nitrus (“nitrous acid, HNO₂”) has fewer oxygen atoms per molecule than asid nitrig (“nitric acid, HNO₃”).


-ad

Borrowed from English -ate, altered in the same manner as basged (“basket”).

(chemistry) -ate, suffix denoting one of a group of related compounds - nitrad (“nitrate”), sylffad (“sulfate”).


bas

Borrowed from Latin basis (“foundation, base”) and from English base.


nitro-

(organic chemistry) nitro- (containing nitrogen)


bromo-

(organic chemistry) bromo- (containing bromine)


-ig

From Proto-Celtic *-ikos. Cognate with Cornish -ik, Breton -ig, Proto-Germanic *-igaz, Ancient Greek -ικός (-ikós), Latin -icus.

(chemistry) -ic, Used in chemical nomenclature to name chemical compounds in which a specified chemical element has a higher oxidation number than in the equivalent compound whose name ends in the suffix -us. For example asid nitrig (“nitric acid, HNO₃”) has more oxygen atoms per molecule than asid nitrus (“nitrous acid, HNO₂”).


nitr-

(organic chemistry) alternative form of nitro- (“containing nitrogen”), used before a vowel


-ol

(organic chemistry) -ol (suffix denoting an alcohol or phenol)


brom-

(organic chemistry) Alternative form of bromo- (“containing bromine”), used before a vowel


cen

cennau (plural)
cen
gen (soft)
nghen
chen

From Proto-Celtic *kennos (“skin”) (compare Cornish kenn (“film, skin (on liquid); peel”), Breton kenn (“scurf, dandruff”), Old Irish cenn (“covering”)), from Proto-Indo-European *sken- (“to split off”) (compare German schinden (“to strip, peel; skin”)); further to Cornish skans (“fish scales”), Breton skant (“fish scales”), Irish scain (“to tear, burst”).

cog

(chemistry) scale, scurf, fur (in pipe, boiler, furnace, kettle)


cranc

cranciau (plural)
crancod (plural)
cranc
granc (soft)
nghranc
chranc


cloro-

From Ancient Greek χλωρός (khlōrós, “pale green”).

uder

(organic chemistry) chloro- (chlorine, green)


dolen

dolennau (plural)
dolenni (plural)
dolen
ddolen (soft)
nolen

From dôl (“dale, valley; loop, ring”) + -en.


alcali

alcalïau (plural)
alcalïon (plural)
alcali
halcali (prothesis-h)

Borrowed from English alkali, from French alcali, ultimately from Arabic اَلْقِلْي (al-qily).


antimoni

Borrowed from English antimony, from Medieval Latin antimonium, from Arabic إِثْمِد (ʔiṯmid), from Egyptian sdm, msdmt.


asid

asidau (plural)
asid
hasid (prothesis-h)


gwaith

cy-noun

gwaith m (plural gweithiau or gweithoedd or gweithydd or gweithion)

gweithiau (plural)
gweithoedd (plural)
gweithydd (plural)
gweithion (plural)

Doublets; from Middle Welsh gweith, from Proto-Brythonic *gweiθ, from Proto-Celtic *wextā (“time, course, turn”) (compare Cornish gweyth, Breton gwezh, Old Irish fecht (“journey; time, occasion”), Irish feacht (“journey; time, occasion”)), feminine past participle of Proto-Indo-European *weǵʰ- (“to carry, drive”).

der

Pan fo grym 1 newton yn symud pellter o 1 metr, cynhyrchir 1 joule o waith.

When 1 newton of force moves [an object] a distance of 1 metre, 1 joule of work is generated.


hâl

cy-noun

hâl m (plural halau or halion, not mutable)

From Proto-Brythonic *hal, from Proto-Celtic *sālos (“saltwater”), from Proto-Indo-European *séh₂ls (“salt”).


bromid

Borrowed from English bromide, analysable as brom- (“brom(o)-”) + -id (“ide”).


bensen

(organic chemistry) benzene (aromatic compound C₆H₆)


uchafu

cy-verb

uchafu (first-person singular present uchafaf)

uchafaf (first-person present singular)
uchafaf (first-person future indicative present singular)
uchefi (future indicative present second-person singular)
uchafa (future indicative present singular third-person)
uchafwn (first-person future indicative plural present)
uchefwch (future indicative plural present second-person)
uchafwch (future indicative plural present second-person)
uchafant (future indicative plural present third-person)
uchefir (future impersonal indicative present)
uchafwn (conditional first-person singular)
uchafwn (first-person imperfect indicative singular subjunctive)
uchafit (conditional second-person singular)
uchafit (imperfect indicative second-person singular subjunctive)
uchafai (conditional singular third-person)
uchafai (imperfect indicative singular subjunctive third-person)
uchafem (conditional first-person plural)
uchafem (first-person imperfect indicative plural subjunctive)
uchafech (conditional plural second-person)
uchafech (imperfect indicative plural second-person subjunctive)
uchafent (conditional plural third-person)
uchafent (imperfect indicative plural subjunctive third-person)
uchefid (conditional impersonal)
uchefid (imperfect impersonal indicative subjunctive)
uchefais (first-person preterite singular)
uchefaist (preterite second-person singular)
uchafodd (preterite singular third-person)
uchafasom (first-person plural preterite)
uchafasoch (plural preterite second-person)
uchafasant (plural preterite third-person)
uchafwyd (impersonal preterite)
uchafaswn (first-person pluperfect singular)
uchafasit (pluperfect second-person singular)
uchafasai (pluperfect singular third-person)
uchafasem (first-person pluperfect plural)
uchafasech (pluperfect plural second-person)
uchafasent (pluperfect plural third-person)
uchafasid (impersonal pluperfect)
uchafesid (impersonal pluperfect)
uchafwyf (first-person present singular subjunctive)
uchefych (present second-person singular subjunctive)
uchafo (present singular subjunctive third-person)
uchafom (first-person plural present subjunctive)
uchafoch (plural present second-person subjunctive)
uchafont (plural present subjunctive third-person)
uchafer (impersonal present subjunctive)
uchafa (imperative second-person singular)
uchafed (imperative singular third-person)
uchafwn (first-person imperative plural)
uchefwch (imperative plural second-person)
uchafwch (imperative plural second-person)
uchafent (imperative plural third-person)
uchafer (imperative impersonal)
uchafu (noun-from-verb singular)
uchafedig (participle singular)
uchafadwy (participle singular)
uchafa i (first-person future singular)
uchafaf i (first-person future singular)
uchafi di (future second-person singular)
uchafith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
uchafiff e (future singular third-person)
uchafwn ni (first-person future plural)
uchafwch chi (future plural second-person)
uchafan nhw (future plural third-person)
uchafwn i (conditional first-person singular)
uchafswn i (conditional first-person singular)
uchafet ti (conditional second-person singular)
uchafset ti (conditional second-person singular)
uchafai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
uchafsai fo (conditional singular third-person)
uchafen ni (conditional first-person plural)
uchafsen ni (conditional first-person plural)
uchafech chi (conditional plural second-person)
uchafsech chi (conditional plural second-person)
uchafen nhw (conditional plural third-person)
uchafsen nhw (conditional plural third-person)
uchafais i (first-person preterite singular)
uchafes i (first-person preterite singular)
uchafaist ti (preterite second-person singular)
uchafest ti (preterite second-person singular)
uchafodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
uchafon ni (first-person plural preterite)
uchafoch chi (plural preterite second-person)
uchafon nhw (plural preterite third-person)
uchafa (imperative second-person singular)
uchafwch (imperative plural second-person)
uchafu
huchafu (prothesis-h)
uwchafu (alternative)


folt

cy-noun

folt m (plural foltau or foltiau, not mutable)

Borrowed from English volt, from the name of the Italian physicist Alessandro Volta.


aloi

aloion (plural)
aloiau (plural)
aloi
haloi (prothesis-h)


sylffwrig

cy-adj

sylffwrig (feminine singular sylffwrig, plural sylffwrig, not comparable, not mutable)

sylffwrig (feminine singular)
sylffwrig (plural)


nwy

From a conjectured element *ny- (“spreading”) + gwy (“fluid”).


gyrrwr

gyrwyr (plural)
gyrrwr
yrrwr (soft)
ngyrrwr


ffon gof

cy-noun

ffon gof f (plural ffyn cof, not mutable)

/ˌfɔŋ ˈɡoːv/


trefnu

cy-verb

trefnu (first-person singular present trefnaf)

trefnaf (first-person present singular)
trefnaf (first-person future indicative present singular)
trefni (future indicative present second-person singular)
trefna (future indicative present singular third-person)
trefnwn (first-person future indicative plural present)
trefnwch (future indicative plural present second-person)
trefnant (future indicative plural present third-person)
trefnir (future impersonal indicative present)
trefnwn (conditional first-person singular)
trefnwn (first-person imperfect indicative singular subjunctive)
trefnit (conditional second-person singular)
trefnit (imperfect indicative second-person singular subjunctive)
trefnai (conditional singular third-person)
trefnai (imperfect indicative singular subjunctive third-person)
trefnem (conditional first-person plural)
trefnem (first-person imperfect indicative plural subjunctive)
trefnech (conditional plural second-person)
trefnech (imperfect indicative plural second-person subjunctive)
trefnent (conditional plural third-person)
trefnent (imperfect indicative plural subjunctive third-person)
trefnid (conditional impersonal)
trefnid (imperfect impersonal indicative subjunctive)
trefnais (first-person preterite singular)
trefnaist (preterite second-person singular)
trefnodd (preterite singular third-person)
trefnasom (first-person plural preterite)
trefnasoch (plural preterite second-person)
trefnasant (plural preterite third-person)
trefnwyd (impersonal preterite)
trefnaswn (first-person pluperfect singular)
trefnasit (pluperfect second-person singular)
trefnasai (pluperfect singular third-person)
trefnasem (first-person pluperfect plural)
trefnasech (pluperfect plural second-person)
trefnasent (pluperfect plural third-person)
trefnasid (impersonal pluperfect)
trefnesid (impersonal pluperfect)
trefnwyf (first-person present singular subjunctive)
trefnych (present second-person singular subjunctive)
trefno (present singular subjunctive third-person)
trefnom (first-person plural present subjunctive)
trefnoch (plural present second-person subjunctive)
trefnont (plural present subjunctive third-person)
trefner (impersonal present subjunctive)
trefna (imperative second-person singular)
trefned (imperative singular third-person)
trefnwn (first-person imperative plural)
trefnwch (imperative plural second-person)
trefnent (imperative plural third-person)
trefner (imperative impersonal)
trefnu (noun-from-verb singular)
trefnedig (participle singular)
trefnadwy (participle singular)
trefna i (first-person future singular)
trefnaf i (first-person future singular)
trefni di (future second-person singular)
trefnith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
trefniff e (future singular third-person)
trefnwn ni (first-person future plural)
trefnwch chi (future plural second-person)
trefnan nhw (future plural third-person)
trefnwn i (conditional first-person singular)
trefnswn i (conditional first-person singular)
trefnet ti (conditional second-person singular)
trefnset ti (conditional second-person singular)
trefnai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
trefnsai fo (conditional singular third-person)
trefnen ni (conditional first-person plural)
trefnsen ni (conditional first-person plural)
trefnech chi (conditional plural second-person)
trefnsech chi (conditional plural second-person)
trefnen nhw (conditional plural third-person)
trefnsen nhw (conditional plural third-person)
trefnais i (first-person preterite singular)
trefnes i (first-person preterite singular)
trefnaist ti (preterite second-person singular)
trefnest ti (preterite second-person singular)
trefnodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
trefnon ni (first-person plural preterite)
trefnoch chi (plural preterite second-person)
trefnon nhw (plural preterite third-person)
trefna (imperative second-person singular)
trefnwch (imperative plural second-person)
trefnu
drefnu (soft)
nhrefnu
threfnu


methan

Borrowed from English methane. By surface analysis, meth- + -an.


chwilio

chwilio (first-person singular present chwiliaf, not mutable)

chwiliaf (first-person present singular)
chwiliaf (first-person future indicative present singular)
chwili (future indicative present second-person singular)
chwilia (future indicative present singular third-person)
chwiliwn (first-person future indicative plural present)
chwiliwch (future indicative plural present second-person)
chwiliant (future indicative plural present third-person)
chwilir (future impersonal indicative present)
chwiliwn (conditional first-person singular)
chwiliwn (first-person imperfect indicative singular)
chwilit (conditional second-person singular)
chwilit (imperfect indicative second-person singular)
chwiliai (conditional singular third-person)
chwiliai (imperfect indicative singular third-person)
chwiliem (conditional first-person plural)
chwiliem (first-person imperfect indicative plural)
chwiliech (conditional plural second-person)
chwiliech (imperfect indicative plural second-person)
chwilient (conditional plural third-person)
chwilient (imperfect indicative plural third-person)
chwilid (conditional impersonal)
chwilid (imperfect impersonal indicative)
chwiliais (first-person preterite singular)
chwiliaist (preterite second-person singular)
chwiliodd (preterite singular third-person)
chwiliasom (first-person plural preterite)
chwiliasoch (plural preterite second-person)
chwiliasant (plural preterite third-person)
chwiliwyd (impersonal preterite)
chwiliaswn (first-person pluperfect singular)
chwiliasit (pluperfect second-person singular)
chwiliasai (pluperfect singular third-person)
chwiliasem (first-person pluperfect plural)
chwiliasech (pluperfect plural second-person)
chwiliasent (pluperfect plural third-person)
chwiliasid (impersonal pluperfect)
chwiliesid (impersonal pluperfect)
chwiliwyf (first-person present singular subjunctive)
chwiliech (present second-person singular subjunctive)
chwilio (present singular subjunctive third-person)
chwiliom (first-person plural present subjunctive)
chwilioch (plural present second-person subjunctive)
chwiliont (plural present subjunctive third-person)
chwilier (impersonal present subjunctive)
chwilia (imperative second-person singular)
chwilied (imperative singular third-person)
chwiliwn (first-person imperative plural)
chwiliwch (imperative plural second-person)
chwilient (imperative plural third-person)
chwilier (imperative impersonal)
chwilio (noun-from-verb)
chwiliedig (participle)
chwiliadwy (participle)
chwilia i (first-person future singular)
chwiliaf i (first-person future singular)
chwili di (future second-person singular)
chwilith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
chwiliff e (future singular third-person)
chwiliwn ni (first-person future plural)
chwiliwch chi (future plural second-person)
chwilian nhw (future plural third-person)
chwiliwn i (conditional first-person singular)
chwiliswn i (conditional first-person singular)
chwiliet ti (conditional second-person singular)
chwiliset ti (conditional second-person singular)
chwiliai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
chwilisai fo (conditional singular third-person)
chwilien ni (conditional first-person plural)
chwilisen ni (conditional first-person plural)
chwiliech chi (conditional plural second-person)
chwilisech chi (conditional plural second-person)
chwilien nhw (conditional plural third-person)
chwilisen nhw (conditional plural third-person)
chwiliais i (first-person preterite singular)
chwilies i (first-person preterite singular)
chwiliaist ti (preterite second-person singular)
chwiliest ti (preterite second-person singular)
chwiliodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
chwilion ni (first-person plural preterite)
chwilioch chi (plural preterite second-person)
chwilion nhw (plural preterite third-person)
chwilia (imperative second-person singular)
chwiliwch (imperative plural second-person)

chwŷl (“turn, revolution”, with i-mutation) + -io

chwilio am nyth cwhwrw

to go on a wild goose chase; to search for a nyth cwhwrw


elfen

elfennau (plural)
elfen
helfen (prothesis-h)

From Proto-Brythonic *elβ̃en (whence also Cornish elven, Breton elfenn), borrowed from Latin elementum.


clipfwrdd

clipfyrddau (plural)
clipfwrdd
glipfwrdd (soft)
nghlipfwrdd
chlipfwrdd

From clip + bwrdd, a calque of English clipboard.


ffon

From Middle Welsh ffonn, from Proto-Brythonic *fonn, from Proto-Celtic *sɸondos (compare Breton houn, Irish sonn (“cudgel, beam”), from Proto-Indo-European *sph₂en- (compare Latin sponda (“bedstead”), English spoon, Ancient Greek σφήν (sphḗn, “wedge”)).


microgyfrifiadur

cy-noun

microgyfrifiadur m (plural microgyfrifiaduron)

microgyfrifiaduron (plural)
microgyfrifiadur
ficrogyfrifiadur (soft)


minigyfrifiadur

minigyfrifiadur m (plural minigyfrifiaduron)

minigyfrifiaduron (plural)
minigyfrifiadur
finigyfrifiadur (soft)


llofiadur

llofiaduron (plural)
llofiadur
lofiadur (soft)


eiliadur

eiliaduron (plural)
eiliadur
heiliadur (prothesis-h)


cylched

cylchedau (plural)
cylched
gylched (soft)
nghylched
chylched

From cylch (“circle, ring; compass, scope, range; circumference”) + -ed.


adain

cy-noun

adain f (plural adenydd or adanedd or adeinydd or adeinedd or adeiniau or edenydd or edyn)

adenydd (plural)
adanedd (plural)
adeinydd (plural)
adeinedd (plural)
adeiniau (plural)
edenydd (plural)
edyn (plural)
adain
hadain (prothesis-h)
aden (alternative)

From Proto-Celtic *ɸatanī (compare Old Irish ette (“feather”)), from *ɸetnos (“bird”). More at adar, edn.


halid

Borrowed from English halide, serendipitously analysable as hâl (“salt”) + -id.


malwod

malwod f (collective, singulative malwoden or malwen)

malwoden (singulative)
malwen (singulative)
malwod
falwod (soft)

From Old Welsh meluet, from Proto-Brythonic *melw- (“soft”), from Proto-Celtic *meldo- (“pleasant, mild”), *mlido (“soft”), from Proto-Indo-European *ml̥dus (“soft, weak”).
Compare Breton melc'hwed, Cornish melhwes, (compare Breton melw (“snot”)). Also see Gaulish *multon- (“sheep”), which could be related.

cysgu yn llety’r falwoden

to sleep by an outside wall; to sleep in the snail's lodgings

(weaponry) slugs (pieces of metal fired from a gun)

(transferred sense) segments (of orange etc.)


data-bas

data-basau (plural)
data-bas
ddata-bas (soft)
nata-bas

From data + bas. Cognate with English database.


alwminiwm

alwminiwm
halwminiwm (prothesis-h)
aliwminiwm (alternative)


cyfnod

cyfnodau (plural)
cyfnod
gyfnod (soft)
nghyfnod
chyfnod


cadw

cy-verb

cadw (first-person singular present cadwaf)

cadwaf (first-person present singular)
cadwaf (first-person future indicative present singular)
cedwi (future indicative present second-person singular)
ceidw (future indicative present singular third-person)
cadwn (first-person future indicative plural present)
cedwch (future indicative plural present second-person)
cadwant (future indicative plural present third-person)
cedwir (future impersonal indicative present)
cadwn (conditional first-person singular)
cadwn (first-person imperfect indicative singular)
cadwit (conditional second-person singular)
cadwit (imperfect indicative second-person singular)
cadwai (conditional singular third-person)
cadwai (imperfect indicative singular third-person)
cadwem (conditional first-person plural)
cadwem (first-person imperfect indicative plural)
cadwech (conditional plural second-person)
cadwech (imperfect indicative plural second-person)
cadwent (conditional plural third-person)
cadwent (imperfect indicative plural third-person)
cedwid (conditional impersonal)
cedwid (imperfect impersonal indicative)
cedwais (first-person preterite singular)
cedwaist (preterite second-person singular)
cadwodd (preterite singular third-person)
cadwasom (first-person plural preterite)
cadwasoch (plural preterite second-person)
cadwasant (plural preterite third-person)
cadwyd (impersonal preterite)
cadwaswn (first-person pluperfect singular)
cadwasit (pluperfect second-person singular)
cadwasai (pluperfect singular third-person)
cadwasem (first-person pluperfect plural)
cadwasech (pluperfect plural second-person)
cadwasent (pluperfect plural third-person)
cadwasid (impersonal pluperfect)
cadwesid (impersonal pluperfect)
cadwyf (first-person present singular subjunctive)
cedwych (present second-person singular subjunctive)
cadwo (present singular subjunctive third-person)
cadwom (first-person plural present subjunctive)
cadwoch (plural present second-person subjunctive)
cadwont (plural present subjunctive third-person)
cadwer (impersonal present subjunctive)
cadw (imperative second-person singular)
cadwa (imperative second-person singular)
cadwed (imperative singular third-person)
cadwn (first-person imperative plural)
cedwch (imperative plural second-person)
cadwent (imperative plural third-person)
cadwer (imperative impersonal)
cadw (noun-from-verb)
cadwedig (participle)
cadwadwy (participle)
cadwa i (first-person future singular)
cadwaf i (first-person future singular)
cadwi di (future second-person singular)
cadwith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
cadwiff e (future singular third-person)
cadwn ni (first-person future plural)
cadwch chi (future plural second-person)
cadwan nhw (future plural third-person)
cadwn i (conditional first-person singular)
cadwswn i (conditional first-person singular)
cadwet ti (conditional second-person singular)
cadwset ti (conditional second-person singular)
cadwai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
cadwsai fo (conditional singular third-person)
cadwen ni (conditional first-person plural)
cadwsen ni (conditional first-person plural)
cadwech chi (conditional plural second-person)
cadwsech chi (conditional plural second-person)
cadwen nhw (conditional plural third-person)
cadwsen nhw (conditional plural third-person)
cadwais i (first-person preterite singular)
cadwes i (first-person preterite singular)
cadwaist ti (preterite second-person singular)
cadwest ti (preterite second-person singular)
cadwodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
cadwon ni (first-person plural preterite)
cadwoch chi (plural preterite second-person)
cadwon nhw (plural preterite third-person)
cadwa (imperative second-person singular)
cadwch (imperative plural second-person)
cadw
gadw (soft)
nghadw
chadw

From Proto-Celtic *kat-wo-, from Proto-Indo-European *kadʰ- (“to protect”). Cognate with English hat, English heed, Latin cassis.

cadw draenog yn boced un

to be tightfisted, mean with money; to keep a hedgehog in one's pocket


ymasiad

ymasiadau (plural)
ymasiad
hymasiad (prothesis-h)


porth

From Middle Welsh porth, from Old Welsh porth, from Proto-Brythonic *porθ, borrowed from Latin porta (“gate, passage”).


cromad

Borrowed from English chromate. By surface analysis, crom- (“chrom-”) + -ad (“-ate”).


derbyniad

derbyniadau (plural)
derbyniad
dderbyniad (soft)
nerbyniad


peiriant chwilio

cy-noun

peiriant chwilio m (plural peiriannau chwilio)

peiriannau chwilio (plural)
peiriant chwilio
beiriant chwilio (soft)
mheiriant chwilio
pheiriant chwilio

From peiriant (“machine, engine”) + chwilio (“to search”).


mewngofnodi

cy-verb

mewngofnodi (first-person singular present mewngofnodaf)

mewngofnodaf (first-person present singular)
mewngofnodaf (first-person future indicative present singular)
mewngofnodi (future indicative present second-person singular)
mewngofnoda (future indicative present singular third-person)
mewngofnodwn (first-person future indicative plural present)
mewngofnodwch (future indicative plural present second-person)
mewngofnodant (future indicative plural present third-person)
mewngofnodir (future impersonal indicative present)
mewngofnodwn (conditional first-person singular)
mewngofnodwn (first-person imperfect indicative singular subjunctive)
mewngofnodit (conditional second-person singular)
mewngofnodit (imperfect indicative second-person singular subjunctive)
mewngofnodai (conditional singular third-person)
mewngofnodai (imperfect indicative singular subjunctive third-person)
mewngofnodem (conditional first-person plural)
mewngofnodem (first-person imperfect indicative plural subjunctive)
mewngofnodech (conditional plural second-person)
mewngofnodech (imperfect indicative plural second-person subjunctive)
mewngofnodent (conditional plural third-person)
mewngofnodent (imperfect indicative plural subjunctive third-person)
mewngofnodid (conditional impersonal)
mewngofnodid (imperfect impersonal indicative subjunctive)
mewngofnodais (first-person preterite singular)
mewngofnodaist (preterite second-person singular)
mewngofnododd (preterite singular third-person)
mewngofnodasom (first-person plural preterite)
mewngofnodasoch (plural preterite second-person)
mewngofnodasant (plural preterite third-person)
mewngofnodwyd (impersonal preterite)
mewngofnodaswn (first-person pluperfect singular)
mewngofnodasit (pluperfect second-person singular)
mewngofnodasai (pluperfect singular third-person)
mewngofnodasem (first-person pluperfect plural)
mewngofnodasech (pluperfect plural second-person)
mewngofnodasent (pluperfect plural third-person)
mewngofnodasid (impersonal pluperfect)
mewngofnodesid (impersonal pluperfect)
mewngofnodwyf (first-person present singular subjunctive)
mewngofnodych (present second-person singular subjunctive)
mewngofnodo (present singular subjunctive third-person)
mewngofnodom (first-person plural present subjunctive)
mewngofnodoch (plural present second-person subjunctive)
mewngofnodont (plural present subjunctive third-person)
mewngofnoder (impersonal present subjunctive)
mewngofnoda (imperative second-person singular)
mewngofnoded (imperative singular third-person)
mewngofnodwn (first-person imperative plural)
mewngofnodwch (imperative plural second-person)
mewngofnodent (imperative plural third-person)
mewngofnoder (imperative impersonal)
mewngofnodi (noun-from-verb singular)
mewngofnodedig (participle singular)
mewngofnodadwy (participle singular)
mewngofnoda i (first-person future singular)
mewngofnodaf i (first-person future singular)
mewngofnodi di (future second-person singular)
mewngofnodith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
mewngofnodiff e (future singular third-person)
mewngofnodwn ni (first-person future plural)
mewngofnodwch chi (future plural second-person)
mewngofnodan nhw (future plural third-person)
mewngofnodwn i (conditional first-person singular)
mewngofnodswn i (conditional first-person singular)
mewngofnodet ti (conditional second-person singular)
mewngofnodset ti (conditional second-person singular)
mewngofnodai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
mewngofnodsai fo (conditional singular third-person)
mewngofnoden ni (conditional first-person plural)
mewngofnodsen ni (conditional first-person plural)
mewngofnodech chi (conditional plural second-person)
mewngofnodsech chi (conditional plural second-person)
mewngofnoden nhw (conditional plural third-person)
mewngofnodsen nhw (conditional plural third-person)
mewngofnodais i (first-person preterite singular)
mewngofnodes i (first-person preterite singular)
mewngofnodaist ti (preterite second-person singular)
mewngofnodest ti (preterite second-person singular)
mewngofnododd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
mewngofnodon ni (first-person plural preterite)
mewngofnodoch chi (plural preterite second-person)
mewngofnodon nhw (plural preterite third-person)
mewngofnoda (imperative second-person singular)
mewngofnodwch (imperative plural second-person)
mewngofnodi
fewngofnodi (soft)

/ˌmɛu̯ŋɡɔvˈnɔdi/

/ˌmɛu̯ŋɡɔvˈnɔdi/

From mewn- (“in”) + cofnodi (“to record, to note”).

af

(intransitive, computing) to log in, to log on


allgofnodi

cy-verb

allgofnodi (first-person singular present allgofnodaf)

allgofnodaf (first-person present singular)
allgofnodaf (first-person future indicative present singular)
allgofnodi (future indicative present second-person singular)
allgofnoda (future indicative present singular third-person)
allgofnodwn (first-person future indicative plural present)
allgofnodwch (future indicative plural present second-person)
allgofnodant (future indicative plural present third-person)
allgofnodir (future impersonal indicative present)
allgofnodwn (conditional first-person singular)
allgofnodwn (first-person imperfect indicative singular subjunctive)
allgofnodit (conditional second-person singular)
allgofnodit (imperfect indicative second-person singular subjunctive)
allgofnodai (conditional singular third-person)
allgofnodai (imperfect indicative singular subjunctive third-person)
allgofnodem (conditional first-person plural)
allgofnodem (first-person imperfect indicative plural subjunctive)
allgofnodech (conditional plural second-person)
allgofnodech (imperfect indicative plural second-person subjunctive)
allgofnodent (conditional plural third-person)
allgofnodent (imperfect indicative plural subjunctive third-person)
allgofnodid (conditional impersonal)
allgofnodid (imperfect impersonal indicative subjunctive)
allgofnodais (first-person preterite singular)
allgofnodaist (preterite second-person singular)
allgofnododd (preterite singular third-person)
allgofnodasom (first-person plural preterite)
allgofnodasoch (plural preterite second-person)
allgofnodasant (plural preterite third-person)
allgofnodwyd (impersonal preterite)
allgofnodaswn (first-person pluperfect singular)
allgofnodasit (pluperfect second-person singular)
allgofnodasai (pluperfect singular third-person)
allgofnodasem (first-person pluperfect plural)
allgofnodasech (pluperfect plural second-person)
allgofnodasent (pluperfect plural third-person)
allgofnodasid (impersonal pluperfect)
allgofnodesid (impersonal pluperfect)
allgofnodwyf (first-person present singular subjunctive)
allgofnodych (present second-person singular subjunctive)
allgofnodo (present singular subjunctive third-person)
allgofnodom (first-person plural present subjunctive)
allgofnodoch (plural present second-person subjunctive)
allgofnodont (plural present subjunctive third-person)
allgofnoder (impersonal present subjunctive)
allgofnoda (imperative second-person singular)
allgofnoded (imperative singular third-person)
allgofnodwn (first-person imperative plural)
allgofnodwch (imperative plural second-person)
allgofnodent (imperative plural third-person)
allgofnoder (imperative impersonal)
allgofnodi (noun-from-verb singular)
allgofnodedig (participle singular)
allgofnodadwy (participle singular)
allgofnoda i (first-person future singular)
allgofnodaf i (first-person future singular)
allgofnodi di (future second-person singular)
allgofnodith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
allgofnodiff e (future singular third-person)
allgofnodwn ni (first-person future plural)
allgofnodwch chi (future plural second-person)
allgofnodan nhw (future plural third-person)
allgofnodwn i (conditional first-person singular)
allgofnodswn i (conditional first-person singular)
allgofnodet ti (conditional second-person singular)
allgofnodset ti (conditional second-person singular)
allgofnodai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
allgofnodsai fo (conditional singular third-person)
allgofnoden ni (conditional first-person plural)
allgofnodsen ni (conditional first-person plural)
allgofnodech chi (conditional plural second-person)
allgofnodsech chi (conditional plural second-person)
allgofnoden nhw (conditional plural third-person)
allgofnodsen nhw (conditional plural third-person)
allgofnodais i (first-person preterite singular)
allgofnodes i (first-person preterite singular)
allgofnodaist ti (preterite second-person singular)
allgofnodest ti (preterite second-person singular)
allgofnododd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
allgofnodon ni (first-person plural preterite)
allgofnodoch chi (plural preterite second-person)
allgofnodon nhw (plural preterite third-person)
allgofnoda (imperative second-person singular)
allgofnodwch (imperative plural second-person)
allgofnodi
hallgofnodi (prothesis-h)

From all- (“out-”) + cofnodi (“to record, to note”).


gradd

graddau (plural)
gradd
radd (soft)
ngradd

From Middle Welsh grað, from Proto-Brythonic *grað, from Latin gradus (“degree”). Doublet of gris.

o'r radd flaenaf

of the highest degree, of the best quality

(physics) degree (unit of measurement of temperature)


plygu

cy-verb

plygu (first-person singular present plygaf)

plygaf (first-person present singular)
plygaf (first-person future indicative present singular)
plygi (future indicative present second-person singular)
plyg (future indicative present singular third-person)
plyga (future indicative present singular third-person)
plygwn (first-person future indicative plural present)
plygwch (future indicative plural present second-person)
plygant (future indicative plural present third-person)
plygir (future impersonal indicative present)
plygwn (conditional first-person singular)
plygwn (first-person imperfect indicative singular subjunctive)
plygit (conditional second-person singular)
plygit (imperfect indicative second-person singular subjunctive)
plygai (conditional singular third-person)
plygai (imperfect indicative singular subjunctive third-person)
plygem (conditional first-person plural)
plygem (first-person imperfect indicative plural subjunctive)
plygech (conditional plural second-person)
plygech (imperfect indicative plural second-person subjunctive)
plygent (conditional plural third-person)
plygent (imperfect indicative plural subjunctive third-person)
plygid (conditional impersonal)
plygid (imperfect impersonal indicative subjunctive)
plygais (first-person preterite singular)
plygaist (preterite second-person singular)
plygodd (preterite singular third-person)
plygasom (first-person plural preterite)
plygasoch (plural preterite second-person)
plygasant (plural preterite third-person)
plygwyd (impersonal preterite)
plygaswn (first-person pluperfect singular)
plygasit (pluperfect second-person singular)
plygasai (pluperfect singular third-person)
plygasem (first-person pluperfect plural)
plygasech (pluperfect plural second-person)
plygasent (pluperfect plural third-person)
plygasid (impersonal pluperfect)
plygesid (impersonal pluperfect)
plygwyf (first-person present singular subjunctive)
plygych (present second-person singular subjunctive)
plygo (present singular subjunctive third-person)
plygom (first-person plural present subjunctive)
plygoch (plural present second-person subjunctive)
plygont (plural present subjunctive third-person)
plyger (impersonal present subjunctive)
plyg (imperative second-person singular)
plyga (imperative second-person singular)
plyged (imperative singular third-person)
plygwn (first-person imperative plural)
plygwch (imperative plural second-person)
plygent (imperative plural third-person)
plyger (imperative impersonal)
plygu (noun-from-verb singular)
plygedig (participle singular)
plygadwy (participle singular)
plyga i (first-person future singular)
plygaf i (first-person future singular)
plygi di (future second-person singular)
plygith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
plygiff e (future singular third-person)
plygwn ni (first-person future plural)
plygwch chi (future plural second-person)
plygan nhw (future plural third-person)
plygwn i (conditional first-person singular)
plygswn i (conditional first-person singular)
plyget ti (conditional second-person singular)
plygset ti (conditional second-person singular)
plygai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
plygsai fo (conditional singular third-person)
plygen ni (conditional first-person plural)
plygsen ni (conditional first-person plural)
plygech chi (conditional plural second-person)
plygsech chi (conditional plural second-person)
plygen nhw (conditional plural third-person)
plygsen nhw (conditional plural third-person)
plygais i (first-person preterite singular)
plyges i (first-person preterite singular)
plygaist ti (preterite second-person singular)
plygest ti (preterite second-person singular)
plygodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
plygon ni (first-person plural preterite)
plygoch chi (plural preterite second-person)
plygon nhw (plural preterite third-person)
plyga (imperative second-person singular)
plygwch (imperative plural second-person)
plygu
blygu (soft)
mhlygu
phlygu

From Middle Welsh plygu, from Proto-Brythonic *plɨɡɨd, from Latin plicō (“to bend, fold”).

(transitive, physics) to refract, to deflect


anweddu

anweddu (first-person singular present anweddaf)

anweddaf (first-person present singular)
anweddaf (first-person future indicative present singular)
anweddi (future indicative present second-person singular)
anwedda (future indicative present singular third-person)
anweddwn (first-person future indicative plural present)
anweddwch (future indicative plural present second-person)
anweddant (future indicative plural present third-person)
anweddir (future impersonal indicative present)
anweddwn (conditional first-person singular)
anweddwn (first-person imperfect indicative singular subjunctive)
anweddit (conditional second-person singular)
anweddit (imperfect indicative second-person singular subjunctive)
anweddai (conditional singular third-person)
anweddai (imperfect indicative singular subjunctive third-person)
anweddem (conditional first-person plural)
anweddem (first-person imperfect indicative plural subjunctive)
anweddech (conditional plural second-person)
anweddech (imperfect indicative plural second-person subjunctive)
anweddent (conditional plural third-person)
anweddent (imperfect indicative plural subjunctive third-person)
anweddid (conditional impersonal)
anweddid (imperfect impersonal indicative subjunctive)
anweddais (first-person preterite singular)
anweddaist (preterite second-person singular)
anweddodd (preterite singular third-person)
anweddasom (first-person plural preterite)
anweddasoch (plural preterite second-person)
anweddasant (plural preterite third-person)
anweddwyd (impersonal preterite)
anweddaswn (first-person pluperfect singular)
anweddasit (pluperfect second-person singular)
anweddasai (pluperfect singular third-person)
anweddasem (first-person pluperfect plural)
anweddasech (pluperfect plural second-person)
anweddasent (pluperfect plural third-person)
anweddasid (impersonal pluperfect)
anweddesid (impersonal pluperfect)
anweddwyf (first-person present singular subjunctive)
anweddych (present second-person singular subjunctive)
anweddo (present singular subjunctive third-person)
anweddom (first-person plural present subjunctive)
anweddoch (plural present second-person subjunctive)
anweddont (plural present subjunctive third-person)
anwedder (impersonal present subjunctive)
anwedda (imperative second-person singular)
anwedded (imperative singular third-person)
anweddwn (first-person imperative plural)
anweddwch (imperative plural second-person)
anweddent (imperative plural third-person)
anwedder (imperative impersonal)
anweddu (noun-from-verb singular)
anweddedig (participle singular)
anweddadwy (participle singular)
anwedda i (first-person future singular)
anweddaf i (first-person future singular)
anweddi di (future second-person singular)
anweddith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
anweddiff e (future singular third-person)
anweddwn ni (first-person future plural)
anweddwch chi (future plural second-person)
anweddan nhw (future plural third-person)
anweddwn i (conditional first-person singular)
anweddswn i (conditional first-person singular)
anweddet ti (conditional second-person singular)
anweddset ti (conditional second-person singular)
anweddai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
anweddsai fo (conditional singular third-person)
anwedden ni (conditional first-person plural)
anweddsen ni (conditional first-person plural)
anweddech chi (conditional plural second-person)
anweddsech chi (conditional plural second-person)
anwedden nhw (conditional plural third-person)
anweddsen nhw (conditional plural third-person)
anweddais i (first-person preterite singular)
anweddes i (first-person preterite singular)
anweddaist ti (preterite second-person singular)
anweddest ti (preterite second-person singular)
anweddodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
anweddon ni (first-person plural preterite)
anweddoch chi (plural preterite second-person)
anweddon nhw (plural preterite third-person)
anwedda (imperative second-person singular)
anweddwch (imperative plural second-person)
anweddu
hanweddu (prothesis-h)


gwedd

From Middle Welsh gweð, from Proto-Brythonic *gweð, from Proto-Celtic *widā, from Proto-Indo-European *weyd- (“to see”).


disgyrchiant

disgyrchiant
ddisgyrchiant (soft)
nisgyrchiant

From disgyrchu (“to gravitate”, from dis- + cyrchu) + -iant.


sliper

cy-noun

sliper f (plural slipers or sliperi or sliperau, diminutive slipren, not mutable)

slipers (plural)
sliperi (plural)
sliperau (plural)
slipren (diminutive)
slipar (alternative)
ysliper (alternative)
sliparsen (alternative)


perthnasedd

perthnasedd m (usually uncountable, plural perthnaseddau)

perthnaseddau (plural)
perthnasedd
berthnasedd (soft)
mherthnasedd
pherthnasedd


perthnaseddol

cy-adj

perthnaseddol (feminine singular perthnaseddol, plural perthnaseddol, not comparable)

perthnaseddol (feminine singular)
perthnaseddol (plural)
perthnaseddol
berthnaseddol (soft)
mherthnaseddol
pherthnaseddol


cyflymder

cy-noun

cyflymder m (usually uncountable, plural cyflymderau)

cyflymderau (plural)
cyflymder
gyflymder (soft)
nghyflymder
chyflymder
cyflymdra (alternative)


cysonyn

cysonion (plural)
cysonyn
gysonyn (soft)
nghysonyn
chysonyn

From cyson (“constant”, adjective) + -yn.

(mathematics, sciences, technology) constant


taenlen

taenlenni (plural)
taenlen
daenlen (soft)
nhaenlen
thaenlen

From taen (“spread”) + llen (“sheet”), a
calque of English spreadsheet.


gronyn

gronyn m (plural gronynnau or gronynnos)

gronynnau (plural)
gronynnos (plural)
gronyn
ronyn (soft)
ngronyn

(particle physics) elementary particle, subatomic particle


uniad

uniadau (plural)
uniad
huniad (prothesis-h)


pâr minimol

parau minimol (plural)
pâr minimol
bâr minimol (soft)
mhâr minimol
phâr minimol

[…] ni ddefnyddir y term 'acen' gan fod y term hwnnw yn gallu cyfeirio at nodwedd prosodig ffonolegol ieithoedd megis y Swedeg a'r Siapaneg sy'n gwahaniaethu parau minimol (minimal pairs)

[2023, Jack Pulman-Slater, Traethawd a gyflwynir i fodloni’n rhannol ofynion gradd [An essay submitted to partially satisfy degree requirements], page 23:

[…] not used is the term “accent” as that term can refer to a phonological prosodic feature of languages such as Swedish or Japanese that distinguish minimal pairs


cof bach

cofion bach (plural)
cof bach
gof bach (soft)
nghof bach
chof bach
co' bach (alternative)


cofbin

cofbinnau (plural)
cofbin
gofbin (soft)
nghofbin
chofbin


cytref

cytrefi (plural)
cytref
gytref (soft)
nghytref
chytref

gwladfa

colony (settlement or governmental unit)


coloid

coloidau (plural)
coloid
goloid (soft)
ngholoid
choloid


ffeil

ffeil f (plural ffeiliau or ffeils or ffeilys, not mutable)

ffeiliau (plural)
ffeils (plural)
ffeilys (plural)

(administration, computing) file (means of storing data)


rhaglennu

cy-verb

rhaglennu (first-person singular present rhaglennaf)

rhaglennaf (first-person present singular)
rhaglennaf (first-person future indicative present singular)
rhaglenni (future indicative present second-person singular)
rhaglenn (future indicative present singular third-person)
rhaglenna (future indicative present singular third-person)
rhaglennwn (first-person future indicative plural present)
rhaglennwch (future indicative plural present second-person)
rhaglennant (future indicative plural present third-person)
rhaglennir (future impersonal indicative present)
rhaglennwn (conditional first-person singular)
rhaglennwn (first-person imperfect indicative singular subjunctive)
rhaglennit (conditional second-person singular)
rhaglennit (imperfect indicative second-person singular subjunctive)
rhaglennai (conditional singular third-person)
rhaglennai (imperfect indicative singular subjunctive third-person)
rhaglennem (conditional first-person plural)
rhaglennem (first-person imperfect indicative plural subjunctive)
rhaglennech (conditional plural second-person)
rhaglennech (imperfect indicative plural second-person subjunctive)
rhaglennent (conditional plural third-person)
rhaglennent (imperfect indicative plural subjunctive third-person)
rhaglennid (conditional impersonal)
rhaglennid (imperfect impersonal indicative subjunctive)
rhaglennais (first-person preterite singular)
rhaglennaist (preterite second-person singular)
rhaglennodd (preterite singular third-person)
rhaglennasom (first-person plural preterite)
rhaglennasoch (plural preterite second-person)
rhaglennasant (plural preterite third-person)
rhaglennwyd (impersonal preterite)
rhaglennaswn (first-person pluperfect singular)
rhaglennasit (pluperfect second-person singular)
rhaglennasai (pluperfect singular third-person)
rhaglennasem (first-person pluperfect plural)
rhaglennasech (pluperfect plural second-person)
rhaglennasent (pluperfect plural third-person)
rhaglennasid (impersonal pluperfect)
rhaglennesid (impersonal pluperfect)
rhaglennwyf (first-person present singular subjunctive)
rhaglennych (present second-person singular subjunctive)
rhaglenno (present singular subjunctive third-person)
rhaglennom (first-person plural present subjunctive)
rhaglennoch (plural present second-person subjunctive)
rhaglennont (plural present subjunctive third-person)
rhaglenner (impersonal present subjunctive)
rhaglenn (imperative second-person singular)
rhaglenna (imperative second-person singular)
rhaglenned (imperative singular third-person)
rhaglennwn (first-person imperative plural)
rhaglennwch (imperative plural second-person)
rhaglennent (imperative plural third-person)
rhaglenner (imperative impersonal)
rhaglennu (noun-from-verb singular)
rhaglennedig (participle singular)
rhaglennadwy (participle singular)
rhaglenna i (first-person future singular)
rhaglennaf i (first-person future singular)
rhaglenni di (future second-person singular)
rhaglennith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
rhaglenniff e (future singular third-person)
rhaglennwn ni (first-person future plural)
rhaglennwch chi (future plural second-person)
rhaglennan nhw (future plural third-person)
rhaglennwn i (conditional first-person singular)
rhaglennswn i (conditional first-person singular)
rhaglennet ti (conditional second-person singular)
rhaglennset ti (conditional second-person singular)
rhaglennai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
rhaglennsai fo (conditional singular third-person)
rhaglennen ni (conditional first-person plural)
rhaglennsen ni (conditional first-person plural)
rhaglennech chi (conditional plural second-person)
rhaglennsech chi (conditional plural second-person)
rhaglennen nhw (conditional plural third-person)
rhaglennsen nhw (conditional plural third-person)
rhaglennais i (first-person preterite singular)
rhaglennes i (first-person preterite singular)
rhaglennaist ti (preterite second-person singular)
rhaglennest ti (preterite second-person singular)
rhaglennodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
rhaglennon ni (first-person plural preterite)
rhaglennoch chi (plural preterite second-person)
rhaglennon nhw (plural preterite third-person)
rhaglenna (imperative second-person singular)
rhaglennwch (imperative plural second-person)
rhaglennu
raglennu (soft)

/r̥aɡˈlɛnɨ̞/

(computing) to program (enter a program or other instructions into a computer)


adwaith

adweithiau (plural)
adwaith
hadwaith (prothesis-h)

From ad- + gwaith; calque of English reaction.


adweithio

adweithio (first-person singular present adweithiaf)

adweithiaf (first-person present singular)
adweithiaf (first-person future indicative present singular)
adweithi (future indicative present second-person singular)
adweithia (future indicative present singular third-person)
adweithiwn (first-person future indicative plural present)
adweithiwch (future indicative plural present second-person)
adweithiant (future indicative plural present third-person)
adweithir (future impersonal indicative present)
adweithiwn (conditional first-person singular)
adweithiwn (first-person imperfect indicative singular)
adweithit (conditional second-person singular)
adweithit (imperfect indicative second-person singular)
adweithiai (conditional singular third-person)
adweithiai (imperfect indicative singular third-person)
adweithiem (conditional first-person plural)
adweithiem (first-person imperfect indicative plural)
adweithiech (conditional plural second-person)
adweithiech (imperfect indicative plural second-person)
adweithient (conditional plural third-person)
adweithient (imperfect indicative plural third-person)
adweithid (conditional impersonal)
adweithid (imperfect impersonal indicative)
adweithiais (first-person preterite singular)
adweithiaist (preterite second-person singular)
adweithiodd (preterite singular third-person)
adweithiasom (first-person plural preterite)
adweithiasoch (plural preterite second-person)
adweithiasant (plural preterite third-person)
adweithiwyd (impersonal preterite)
adweithiaswn (first-person pluperfect singular)
adweithiasit (pluperfect second-person singular)
adweithiasai (pluperfect singular third-person)
adweithiasem (first-person pluperfect plural)
adweithiasech (pluperfect plural second-person)
adweithiasent (pluperfect plural third-person)
adweithiasid (impersonal pluperfect)
adweithiesid (impersonal pluperfect)
adweithiwyf (first-person present singular subjunctive)
adweithiech (present second-person singular subjunctive)
adweithio (present singular subjunctive third-person)
adweithiom (first-person plural present subjunctive)
adweithioch (plural present second-person subjunctive)
adweithiont (plural present subjunctive third-person)
adweithier (impersonal present subjunctive)
adweithia (imperative second-person singular)
adweithied (imperative singular third-person)
adweithiwn (first-person imperative plural)
adweithiwch (imperative plural second-person)
adweithient (imperative plural third-person)
adweithier (imperative impersonal)
adweithio (noun-from-verb)
adweithiedig (participle)
adweithiadwy (participle)
adweithia i (first-person future singular)
adweithiaf i (first-person future singular)
adweithi di (future second-person singular)
adweithith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
adweithiff e (future singular third-person)
adweithiwn ni (first-person future plural)
adweithiwch chi (future plural second-person)
adweithian nhw (future plural third-person)
adweithiwn i (conditional first-person singular)
adweithiswn i (conditional first-person singular)
adweithiet ti (conditional second-person singular)
adweithiset ti (conditional second-person singular)
adweithiai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
adweithisai fo (conditional singular third-person)
adweithien ni (conditional first-person plural)
adweithisen ni (conditional first-person plural)
adweithiech chi (conditional plural second-person)
adweithisech chi (conditional plural second-person)
adweithien nhw (conditional plural third-person)
adweithisen nhw (conditional plural third-person)
adweithiais i (first-person preterite singular)
adweithies i (first-person preterite singular)
adweithiaist ti (preterite second-person singular)
adweithiest ti (preterite second-person singular)
adweithiodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
adweithion ni (first-person plural preterite)
adweithioch chi (plural preterite second-person)
adweithion nhw (plural preterite third-person)
adweithia (imperative second-person singular)
adweithiwch (imperative plural second-person)

From ad- + gweithio; calque of English react.


newidydd

cy-noun

newidydd m (plural newidyddion, not mutable)

From newid (“to change, to transform”) + -ydd (“-er”).

af

electrical engineering
electrical engineering

(physics, electrical engineering) transformer


anwythiad

anwythiadau (plural)
anwythiad
hanwythiad (prothesis-h)

Adapted from English induction by analogy with diddwythiad (“deduction”).

(physics) induction (generation of an electric current)


anwythydd

anwythyddion (plural)
anwythydd
hanwythydd (prothesis-h)

/aˈnʊɨ̯θɨ̞ð/

From anwytho (“to induce; to induct”) + -ydd.


anwytho

cy-verb

anwytho (first-person singular present anwythaf)

anwythaf (first-person present singular)
anwythaf (first-person future indicative present singular)
anwythi (future indicative present second-person singular)
anwytha (future indicative present singular third-person)
anwythwn (first-person future indicative plural present)
anwythwch (future indicative plural present second-person)
anwythant (future indicative plural present third-person)
anwythir (future impersonal indicative present)
anwythwn (conditional first-person singular)
anwythwn (first-person imperfect indicative singular subjunctive)
anwythit (conditional second-person singular)
anwythit (imperfect indicative second-person singular subjunctive)
anwythai (conditional singular third-person)
anwythai (imperfect indicative singular subjunctive third-person)
anwythem (conditional first-person plural)
anwythem (first-person imperfect indicative plural subjunctive)
anwythech (conditional plural second-person)
anwythech (imperfect indicative plural second-person subjunctive)
anwythent (conditional plural third-person)
anwythent (imperfect indicative plural subjunctive third-person)
anwythid (conditional impersonal)
anwythid (imperfect impersonal indicative subjunctive)
anwythais (first-person preterite singular)
anwythaist (preterite second-person singular)
anwythodd (preterite singular third-person)
anwythasom (first-person plural preterite)
anwythasoch (plural preterite second-person)
anwythasant (plural preterite third-person)
anwythwyd (impersonal preterite)
anwythaswn (first-person pluperfect singular)
anwythasit (pluperfect second-person singular)
anwythasai (pluperfect singular third-person)
anwythasem (first-person pluperfect plural)
anwythasech (pluperfect plural second-person)
anwythasent (pluperfect plural third-person)
anwythasid (impersonal pluperfect)
anwythesid (impersonal pluperfect)
anwythwyf (first-person present singular subjunctive)
anwythych (present second-person singular subjunctive)
anwytho (present singular subjunctive third-person)
anwythom (first-person plural present subjunctive)
anwythoch (plural present second-person subjunctive)
anwythont (plural present subjunctive third-person)
anwyther (impersonal present subjunctive)
anwytha (imperative second-person singular)
anwythed (imperative singular third-person)
anwythwn (first-person imperative plural)
anwythwch (imperative plural second-person)
anwythent (imperative plural third-person)
anwyther (imperative impersonal)
anwytho (noun-from-verb singular)
anwythedig (participle singular)
anwythadwy (participle singular)
anwytha i (first-person future singular)
anwythaf i (first-person future singular)
anwythi di (future second-person singular)
anwythith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
anwythiff e (future singular third-person)
anwythwn ni (first-person future plural)
anwythwch chi (future plural second-person)
anwythan nhw (future plural third-person)
anwythwn i (conditional first-person singular)
anwythswn i (conditional first-person singular)
anwythet ti (conditional second-person singular)
anwythset ti (conditional second-person singular)
anwythai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
anwythsai fo (conditional singular third-person)
anwythen ni (conditional first-person plural)
anwythsen ni (conditional first-person plural)
anwythech chi (conditional plural second-person)
anwythsech chi (conditional plural second-person)
anwythen nhw (conditional plural third-person)
anwythsen nhw (conditional plural third-person)
anwythais i (first-person preterite singular)
anwythes i (first-person preterite singular)
anwythaist ti (preterite second-person singular)
anwythest ti (preterite second-person singular)
anwythodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
anwython ni (first-person plural preterite)
anwythoch chi (plural preterite second-person)
anwython nhw (plural preterite third-person)
anwytha (imperative second-person singular)
anwythwch (imperative plural second-person)
anwytho
hanwytho (prothesis-h)

Back-formation from anwythiad (“induction”).

backformation

(physics) to induce (generate an electric current)


anwythol

cy-adj

anwythol (feminine singular anwythol, plural anwythol, not comparable)

anwythol (feminine singular)
anwythol (plural)
anwythol
hanwythol (prothesis-h)

(physics) induced, inductive (arising from inductance)


gyriant

gyriannau (plural)
gyriant
yriant (soft)
ngyriant

(mechanics) drive (propulsion mechanism)


rhewbwynt

rhewbwyntiau (plural)
rhewbwynt
rewbwynt (soft)

/ˈr̥ɛu̯bʊɨ̯nt/

From rhew (“ice, frost”) + pwynt (“point”).


berwbwynt

berwbwyntiau (plural)
berwbwynt
ferwbwynt (soft)
merwbwynt

From berw (“boiling”) + pwynt (“point”).


ymdoddbwynt

ymdoddbwyntiau (plural)
ymdoddbwynt
hymdoddbwynt (prothesis-h)

/əmˈdɔðbʊɨ̯nt/

From ymdoddi (“to melt”) + pwynt (“point”).


pwynt triphlyg

cy-noun

pwynt triphlyg m (plural pwyntiau triphlyg)

pwyntiau triphlyg (plural)
pwynt triphlyg
bwynt triphlyg (soft)
mhwynt triphlyg
phwynt triphlyg


deubegwn

cy-adj

deubegwn (feminine singular deubegwn, plural deubegwn, equative mor ddeubegwn, comparative mwy deubegwn, superlative mwyaf deubegwn)

deubegwn (feminine singular)
deubegwn (plural)
mor ddeubegwn (equative)
mwy deubegwn (comparative)
mwyaf deubegwn (superlative)
deubegwn
ddeubegwn (soft)
neubegwn


asid amino

(organic chemistry, biochemistry) amino acid


gwefr

gwefrau (plural)
gwefr
wefr (soft)
ngwefr

From Middle Welsh gwevr (“amber”), from Proto-Celtic *webrus.


hydawdd

hydawdd (feminine singular hydawdd, plural hydawdd, equative mor hydawdd, comparative mwy hydawdd, superlative mwyaf hydawdd, not mutable)

hydawdd (feminine singular)
hydawdd (plural)
mor hydawdd (equative)
mwy hydawdd (comparative)
mwyaf hydawdd (superlative)


hydoddeiddio

cy-verb

hydoddeiddio (first-person singular present hydoddeiddiaf, not mutable)

hydoddeiddiaf (first-person present singular)
hydoddeiddiaf (first-person future indicative present singular)
hydoddeiddi (future indicative present second-person singular)
hydoddeiddia (future indicative present singular third-person)
hydoddeiddiwn (first-person future indicative plural present)
hydoddeiddiwch (future indicative plural present second-person)
hydoddeiddiant (future indicative plural present third-person)
hydoddeiddir (future impersonal indicative present)
hydoddeiddiwn (conditional first-person singular)
hydoddeiddiwn (first-person imperfect indicative singular)
hydoddeiddit (conditional second-person singular)
hydoddeiddit (imperfect indicative second-person singular)
hydoddeiddiai (conditional singular third-person)
hydoddeiddiai (imperfect indicative singular third-person)
hydoddeiddiem (conditional first-person plural)
hydoddeiddiem (first-person imperfect indicative plural)
hydoddeiddiech (conditional plural second-person)
hydoddeiddiech (imperfect indicative plural second-person)
hydoddeiddient (conditional plural third-person)
hydoddeiddient (imperfect indicative plural third-person)
hydoddeiddid (conditional impersonal)
hydoddeiddid (imperfect impersonal indicative)
hydoddeiddiais (first-person preterite singular)
hydoddeiddiaist (preterite second-person singular)
hydoddeiddiodd (preterite singular third-person)
hydoddeiddiasom (first-person plural preterite)
hydoddeiddiasoch (plural preterite second-person)
hydoddeiddiasant (plural preterite third-person)
hydoddeiddiwyd (impersonal preterite)
hydoddeiddiaswn (first-person pluperfect singular)
hydoddeiddiasit (pluperfect second-person singular)
hydoddeiddiasai (pluperfect singular third-person)
hydoddeiddiasem (first-person pluperfect plural)
hydoddeiddiasech (pluperfect plural second-person)
hydoddeiddiasent (pluperfect plural third-person)
hydoddeiddiasid (impersonal pluperfect)
hydoddeiddiesid (impersonal pluperfect)
hydoddeiddiwyf (first-person present singular subjunctive)
hydoddeiddiech (present second-person singular subjunctive)
hydoddeiddio (present singular subjunctive third-person)
hydoddeiddiom (first-person plural present subjunctive)
hydoddeiddioch (plural present second-person subjunctive)
hydoddeiddiont (plural present subjunctive third-person)
hydoddeiddier (impersonal present subjunctive)
hydoddeiddia (imperative second-person singular)
hydoddeiddied (imperative singular third-person)
hydoddeiddiwn (first-person imperative plural)
hydoddeiddiwch (imperative plural second-person)
hydoddeiddient (imperative plural third-person)
hydoddeiddier (imperative impersonal)
hydoddeiddio (noun-from-verb)
hydoddeiddiedig (participle)
hydoddeiddiadwy (participle)
hydoddeiddia i (first-person future singular)
hydoddeiddiaf i (first-person future singular)
hydoddeiddi di (future second-person singular)
hydoddeiddith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
hydoddeiddiff e (future singular third-person)
hydoddeiddiwn ni (first-person future plural)
hydoddeiddiwch chi (future plural second-person)
hydoddeiddian nhw (future plural third-person)
hydoddeiddiwn i (conditional first-person singular)
hydoddeiddswn i (conditional first-person singular)
hydoddeiddiet ti (conditional second-person singular)
hydoddeiddset ti (conditional second-person singular)
hydoddeiddiai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
hydoddeiddsai fo (conditional singular third-person)
hydoddeiddien ni (conditional first-person plural)
hydoddeiddsen ni (conditional first-person plural)
hydoddeiddiech chi (conditional plural second-person)
hydoddeiddsech chi (conditional plural second-person)
hydoddeiddien nhw (conditional plural third-person)
hydoddeiddsen nhw (conditional plural third-person)
hydoddeiddiais i (first-person preterite singular)
hydoddeiddies i (first-person preterite singular)
hydoddeiddiaist ti (preterite second-person singular)
hydoddeiddiest ti (preterite second-person singular)
hydoddeiddiodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
hydoddeiddion ni (first-person plural preterite)
hydoddeiddioch chi (plural preterite second-person)
hydoddeiddion nhw (plural preterite third-person)
hydoddeiddia (imperative second-person singular)
hydoddeiddiwch (imperative plural second-person)

/ˌhədɔˈðei̯ðjɔ/


hydoddyn

cy-noun

hydoddyn m (plural hydoddion, not mutable)


hydoddiant

hydoddiant m (plural hydoddiannau, not mutable)

(physical chemistry) solution (homogeneous mixture)


hydoddydd

hydoddydd m (plural hydoddyddion, not mutable)


hydoddedig

cy-adj

hydoddedig (feminine singular hydoddedig, plural hydoddedig, equative mor hydoddedig, comparative mwy hydoddedig, superlative mwyaf hydoddedig, not mutable)

hydoddedig (feminine singular)
hydoddedig (plural)
mor hydoddedig (equative)
mwy hydoddedig (comparative)
mwyaf hydoddedig (superlative)

/ˌhədɔˈðɛdɪɡ/

/ˌhədɔˈðeːdɪɡ/

/ˌhədɔˈðɛdɪɡ/


adweithiol

adweithiol (feminine singular adweithiol, plural adweithiol, equative mor adweithiol, comparative mwy adweithiol, superlative mwyaf adweithiol)

adweithiol (feminine singular)
adweithiol (plural)
mor adweithiol (equative)
mwy adweithiol (comparative)
mwyaf adweithiol (superlative)
adweithiol
hadweithiol (prothesis-h)


adwy

adwyon (plural)
adwyau (plural)
adwy
hadwy (prothesis-h)

Cognate with Breton ode and Cornish aswy.

dod i'r adwy

to step into the breach, to come to the rescue


cwymplen

cwymplenni (plural)
cwymplen
gwymplen (soft)
nghwymplen
chwymplen


naidlen

cy-noun

naidlen f (plural naidlennni, not mutable)


dewislen

dewislenni (plural)
dewislen
ddewislen (soft)
newislen


cymhwysiad

cymwysiadau (plural)
cymhwysiad
gymhwysiad (soft)
nghymhwysiad
chymhwysiad

From cymhwyso (“to adapt, to adjust, to qualify”) + -iad (noun-forming suffix).

cymwys

suitable, appropriate; qualified, eligible


gyriad

gyriadau (plural)
gyriad
yriad (soft)
ngyriad


disg

(computer hardware) ellipsis of disg caled (“hard disk”)

disk
ellipsis of disg caled (“hard disk”)

(computer hardware) ellipsis of disg hyblyg (“floppy disk”)

disk
ellipsis of disg hyblyg (“floppy disk”)


toddbwynt

ymdoddbwyntiau (plural)
toddbwynt
doddbwynt (soft)
nhoddbwynt
thoddbwynt

/ˈtɔðbʊɨ̯nt/

From toddi (“to melt”) + pwynt (“point”).


ocsid

Via English oxide, from archaic French oxide (now oxyde), itself a blend of ox(ygene) and (ac)ide, coined by G. de Morveau and A. Lavoisier.


perocsid

cy-noun

perocsid m (plural perocsidau or perocsidiau)

perocsidau (plural)
perocsidiau (plural)


tryegrid

From try- (“through-, dia-, per-”) + egrid.


ocsidydd

(chemistry) oxidising agent, oxidiser oxidant


ocsidaidd

cy-adj

ocsidaidd (feminine singular ocsidaidd, plural ocsidaidd, equative mor ocsidaidd, comparative mwy ocsidaidd, superlative mwyaf ocsidaidd)

ocsidaidd (feminine singular)
ocsidaidd (plural)
mor ocsidaidd (equative)
mwy ocsidaidd (comparative)
mwyaf ocsidaidd (superlative)
ocsidaidd
hocsidaidd (prothesis-h)


rhydwythol

rhydwythol (feminine singular rhydwythol, plural rhydwythol, equative mor rydwythol, comparative mwy rhydwythol, superlative mwyaf rhydwythol)

rhydwythol (feminine singular)
rhydwythol (plural)
mor rydwythol (equative)
mwy rhydwythol (comparative)
mwyaf rhydwythol (superlative)
rhydwythol
rydwythol (soft)
rhydwythiol (alternative)

/r̥əˈduːɨ̯θɔl/

/r̥əˈdʊi̯θɔl/


erblith

erblithion (plural)
erblith
herblith (prothesis-h)


disgyrchedd

disgyrchedd
ddisgyrchedd (soft)
nisgyrchedd

/dɪsˈɡərχɛð/

[dɪsˈkərχɛð]

From disgyrchu (“to gravitate”, from dis- + cyrchu) + -edd.


nitrad

Borrowed from English nitrate. By surface analysis, nitr- + -ad (“-ate”).


pillffon

From pill (“trunk, pole”) + ffon (“stick, lance”).


gwirfwy

(uncountable, organic chemistry, obsolete) ether


moment ddeubol

cy-noun

moment ddeubol f (plural momentau deubolau)

momentau deubolau (plural)
moment ddeubol
foment ddeubol (soft)


nanoraddfa

cy-adj

nanoraddfa (feminine singular nanoraddfa, plural nanoraddfa, not comparable, not mutable)

nanoraddfa (feminine singular)
nanoraddfa (plural)


nanoraddfa

cy-noun

nanoraddfa f (plural nanoraddfeydd, not mutable)

(sciences, technology) nanoscale (measuring tool with gradations in nanometers)

(sciences, technology) the scale of nanotechnology


gronyn elfennol

gronyn elfennol m (plural gronynnau elfennol)

gronynnau elfennol (plural)
gronyn elfennol
ronyn elfennol (soft)
ngronyn elfennol


gronyn isatomig

gronyn isatomig m (plural gronynnau isatomig)

gronynnau isatomig (plural)
gronyn isatomig
ronyn isatomig (soft)
ngronyn isatomig


elfennol

cy-adj

elfennol (feminine singular elfennol, plural elfennol, equative mor elfennol, comparative mwy elfennol, superlative mwyaf elfennol)

elfennol (feminine singular)
elfennol (plural)
mor elfennol (equative)
mwy elfennol (comparative)
mwyaf elfennol (superlative)
elfennol
helfennol (prothesis-h)

(chemistry, physics) elementary, relating to chemical elements


atomig

atomig (feminine singular atomig, plural atomig, equative mor atomig, comparative mwy atomig, superlative mwyaf atomig)

atomig (feminine singular)
atomig (plural)
mor atomig (equative)
mwy atomig (comparative)
mwyaf atomig (superlative)


isatomig

isatomig (feminine singular isatomig, plural isatomig, equative mor isatomig, comparative mwy isatomig, superlative mwyaf isatomig)

isatomig (feminine singular)
isatomig (plural)
mor isatomig (equative)
mwy isatomig (comparative)
mwyaf isatomig (superlative)


dargludo

cy-verb

dargludo (first-person singular present dargludaf)

dargludaf (first-person present singular)
dargludaf (first-person future indicative present singular)
dargludi (future indicative present second-person singular)
dargluda (future indicative present singular third-person)
dargludwn (first-person future indicative plural present)
dargludwch (future indicative plural present second-person)
dargludant (future indicative plural present third-person)
dargludir (future impersonal indicative present)
dargludwn (conditional first-person singular)
dargludwn (first-person imperfect indicative singular subjunctive)
dargludit (conditional second-person singular)
dargludit (imperfect indicative second-person singular subjunctive)
dargludai (conditional singular third-person)
dargludai (imperfect indicative singular subjunctive third-person)
dargludem (conditional first-person plural)
dargludem (first-person imperfect indicative plural subjunctive)
dargludech (conditional plural second-person)
dargludech (imperfect indicative plural second-person subjunctive)
dargludent (conditional plural third-person)
dargludent (imperfect indicative plural subjunctive third-person)
dargludid (conditional impersonal)
dargludid (imperfect impersonal indicative subjunctive)
dargludais (first-person preterite singular)
dargludaist (preterite second-person singular)
dargludodd (preterite singular third-person)
dargludasom (first-person plural preterite)
dargludasoch (plural preterite second-person)
dargludasant (plural preterite third-person)
dargludwyd (impersonal preterite)
dargludaswn (first-person pluperfect singular)
dargludasit (pluperfect second-person singular)
dargludasai (pluperfect singular third-person)
dargludasem (first-person pluperfect plural)
dargludasech (pluperfect plural second-person)
dargludasent (pluperfect plural third-person)
dargludasid (impersonal pluperfect)
dargludesid (impersonal pluperfect)
dargludwyf (first-person present singular subjunctive)
dargludych (present second-person singular subjunctive)
dargludo (present singular subjunctive third-person)
dargludom (first-person plural present subjunctive)
dargludoch (plural present second-person subjunctive)
dargludont (plural present subjunctive third-person)
dargluder (impersonal present subjunctive)
dargluda (imperative second-person singular)
dargluded (imperative singular third-person)
dargludwn (first-person imperative plural)
dargludwch (imperative plural second-person)
dargludent (imperative plural third-person)
dargluder (imperative impersonal)
dargludo (noun-from-verb singular)
dargludedig (participle singular)
dargludadwy (participle singular)
dargluda i (first-person future singular)
dargludaf i (first-person future singular)
dargludi di (future second-person singular)
dargludith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
dargludiff e (future singular third-person)
dargludwn ni (first-person future plural)
dargludwch chi (future plural second-person)
dargludan nhw (future plural third-person)
dargludwn i (conditional first-person singular)
dargludswn i (conditional first-person singular)
dargludet ti (conditional second-person singular)
dargludset ti (conditional second-person singular)
dargludai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
dargludsai fo (conditional singular third-person)
dargluden ni (conditional first-person plural)
dargludsen ni (conditional first-person plural)
dargludech chi (conditional plural second-person)
dargludsech chi (conditional plural second-person)
dargluden nhw (conditional plural third-person)
dargludsen nhw (conditional plural third-person)
dargludais i (first-person preterite singular)
dargludes i (first-person preterite singular)
dargludaist ti (preterite second-person singular)
dargludest ti (preterite second-person singular)
dargludodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
dargludon ni (first-person plural preterite)
dargludoch chi (plural preterite second-person)
dargludon nhw (plural preterite third-person)
dargluda (imperative second-person singular)
dargludwch (imperative plural second-person)
dargludo
ddargludo (soft)
nargludo

(physics) to conduct (electricity, heat, light or sound)


dargludydd

dargludyddion (plural)
dargludydd
ddargludydd (soft)
nargludydd

/darˈɡlɨ̞dɨ̞ð/

(physics) conductor (of electricity, heat, light or sound)


lled-ddargludydd

cy-noun

lled-ddargludydd m (plural lled-ddargludyddion)

lled-ddargludyddion (plural)
lled-ddargludydd
led-ddargludydd (soft)

/ˌɬeːdðarˈɡlɨ̞dɨ̞ð/

/ˌɬeːdðarˈɡliːdɪð/

/ˌɬeːdðarˈɡlɪdɪð/

From lled- (“semi-”) + dargludydd (“conductor”).


toddiad

toddiadau (plural)
toddiad
doddiad (soft)
nhoddiad
thoddiad


sychdarthiad

cy-noun

sychdarthiad m (plural sychdarthiadau, not mutable)

From sychdarthu (“to sublimate”) + -iad or sych (“dry”) + tarthiad (“evaporation”).


anweddiad

anweddiadau (plural)
anweddiad
hanweddiad (prothesis-h)


rhewiad

rhewiadau (plural)
rhewiad
rewiad (soft)


dyddodiad

dyddodiadau (plural)
dyddodiad
ddyddodiad (soft)
nyddodiad

(chemistry, geography, countable) deposition


ïoneiddiad

ïoneiddiadau (plural)
ïoneiddiad
hïoneiddiad (prothesis-h)


ailgyfuniad

ailgyfuniadau (plural)
ailgyfuniad
hailgyfuniad (prothesis-h)


cyddwysiad

cyddwysiadau (plural)
cyddwysiad
gyddwysiad (soft)
nghyddwysiad
chyddwysiad

/kəˈdʊɨ̯ʃad/


sychdarthu

cy-verb

sychdarthu (first-person singular present sychdarthaf, not mutable)

sychdarthaf (first-person present singular)
sychdarthaf (first-person future indicative present singular)
sychderthi (future indicative present second-person singular)
sychdartha (future indicative present singular third-person)
sychdarthwn (first-person future indicative plural present)
sychderthwch (future indicative plural present second-person)
sychdarthwch (future indicative plural present second-person)
sychdarthant (future indicative plural present third-person)
sychderthir (future impersonal indicative present)
sychdarthwn (conditional first-person singular)
sychdarthwn (first-person imperfect indicative singular subjunctive)
sychdarthit (conditional second-person singular)
sychdarthit (imperfect indicative second-person singular subjunctive)
sychdarthai (conditional singular third-person)
sychdarthai (imperfect indicative singular subjunctive third-person)
sychdarthem (conditional first-person plural)
sychdarthem (first-person imperfect indicative plural subjunctive)
sychdarthech (conditional plural second-person)
sychdarthech (imperfect indicative plural second-person subjunctive)
sychdarthent (conditional plural third-person)
sychdarthent (imperfect indicative plural subjunctive third-person)
sychderthid (conditional impersonal)
sychderthid (imperfect impersonal indicative subjunctive)
sychderthais (first-person preterite singular)
sychderthaist (preterite second-person singular)
sychdarthodd (preterite singular third-person)
sychdarthasom (first-person plural preterite)
sychdarthasoch (plural preterite second-person)
sychdarthasant (plural preterite third-person)
sychdarthwyd (impersonal preterite)
sychdarthaswn (first-person pluperfect singular)
sychdarthasit (pluperfect second-person singular)
sychdarthasai (pluperfect singular third-person)
sychdarthasem (first-person pluperfect plural)
sychdarthasech (pluperfect plural second-person)
sychdarthasent (pluperfect plural third-person)
sychdarthasid (impersonal pluperfect)
sychdarthesid (impersonal pluperfect)
sychdarthwyf (first-person present singular subjunctive)
sychderthych (present second-person singular subjunctive)
sychdartho (present singular subjunctive third-person)
sychdarthom (first-person plural present subjunctive)
sychdarthoch (plural present second-person subjunctive)
sychdarthont (plural present subjunctive third-person)
sychdarther (impersonal present subjunctive)
sychdartha (imperative second-person singular)
sychdarthed (imperative singular third-person)
sychdarthwn (first-person imperative plural)
sychderthwch (imperative plural second-person)
sychdarthwch (imperative plural second-person)
sychdarthent (imperative plural third-person)
sychdarther (imperative impersonal)
sychdarthu (noun-from-verb singular)
sychdarthedig (participle singular)
sychdarthadwy (participle singular)
sychdartha i (first-person future singular)
sychdarthaf i (first-person future singular)
sychdarthi di (future second-person singular)
sychdarthith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
sychdarthiff e (future singular third-person)
sychdarthwn ni (first-person future plural)
sychdarthwch chi (future plural second-person)
sychdarthan nhw (future plural third-person)
sychdarthwn i (conditional first-person singular)
sychdarthswn i (conditional first-person singular)
sychdarthet ti (conditional second-person singular)
sychdarthset ti (conditional second-person singular)
sychdarthai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
sychdarthsai fo (conditional singular third-person)
sychdarthen ni (conditional first-person plural)
sychdarthsen ni (conditional first-person plural)
sychdarthech chi (conditional plural second-person)
sychdarthsech chi (conditional plural second-person)
sychdarthen nhw (conditional plural third-person)
sychdarthsen nhw (conditional plural third-person)
sychdarthais i (first-person preterite singular)
sychdarthes i (first-person preterite singular)
sychdarthaist ti (preterite second-person singular)
sychdarthest ti (preterite second-person singular)
sychdarthodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
sychdarthon ni (first-person plural preterite)
sychdarthoch chi (plural preterite second-person)
sychdarthon nhw (plural preterite third-person)
sychdartha (imperative second-person singular)
sychdarthwch (imperative plural second-person)

/səχˈdarθɨ̞/

[səχˈtarθɨ̞]

From sych (“dry”) + tarthu (“to evaporate”).


dyddodi

dyddodi (first-person singular present dyddodaf)

dyddodaf (first-person present singular)
dyddodaf (first-person future indicative present singular)
dyddodi (future indicative present second-person singular)
dyddoda (future indicative present singular third-person)
dyddodwn (first-person future indicative plural present)
dyddodwch (future indicative plural present second-person)
dyddodant (future indicative plural present third-person)
dyddodir (future impersonal indicative present)
dyddodwn (conditional first-person singular)
dyddodwn (first-person imperfect indicative singular subjunctive)
dyddodit (conditional second-person singular)
dyddodit (imperfect indicative second-person singular subjunctive)
dyddodai (conditional singular third-person)
dyddodai (imperfect indicative singular subjunctive third-person)
dyddodem (conditional first-person plural)
dyddodem (first-person imperfect indicative plural subjunctive)
dyddodech (conditional plural second-person)
dyddodech (imperfect indicative plural second-person subjunctive)
dyddodent (conditional plural third-person)
dyddodent (imperfect indicative plural subjunctive third-person)
dyddodid (conditional impersonal)
dyddodid (imperfect impersonal indicative subjunctive)
dyddodais (first-person preterite singular)
dyddodaist (preterite second-person singular)
dyddododd (preterite singular third-person)
dyddodasom (first-person plural preterite)
dyddodasoch (plural preterite second-person)
dyddodasant (plural preterite third-person)
dyddodwyd (impersonal preterite)
dyddodaswn (first-person pluperfect singular)
dyddodasit (pluperfect second-person singular)
dyddodasai (pluperfect singular third-person)
dyddodasem (first-person pluperfect plural)
dyddodasech (pluperfect plural second-person)
dyddodasent (pluperfect plural third-person)
dyddodasid (impersonal pluperfect)
dyddodesid (impersonal pluperfect)
dyddodwyf (first-person present singular subjunctive)
dyddodych (present second-person singular subjunctive)
dyddodo (present singular subjunctive third-person)
dyddodom (first-person plural present subjunctive)
dyddodoch (plural present second-person subjunctive)
dyddodont (plural present subjunctive third-person)
dyddoder (impersonal present subjunctive)
dyddoda (imperative second-person singular)
dyddoded (imperative singular third-person)
dyddodwn (first-person imperative plural)
dyddodwch (imperative plural second-person)
dyddodent (imperative plural third-person)
dyddoder (imperative impersonal)
dyddodi (noun-from-verb singular)
dyddodedig (participle singular)
dyddodadwy (participle singular)
dyddoda i (first-person future singular)
dyddodaf i (first-person future singular)
dyddodi di (future second-person singular)
dyddodith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
dyddodiff e (future singular third-person)
dyddodwn ni (first-person future plural)
dyddodwch chi (future plural second-person)
dyddodan nhw (future plural third-person)
dyddodwn i (conditional first-person singular)
dyddodswn i (conditional first-person singular)
dyddodet ti (conditional second-person singular)
dyddodset ti (conditional second-person singular)
dyddodai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
dyddodsai fo (conditional singular third-person)
dyddoden ni (conditional first-person plural)
dyddodsen ni (conditional first-person plural)
dyddodech chi (conditional plural second-person)
dyddodsech chi (conditional plural second-person)
dyddoden nhw (conditional plural third-person)
dyddodsen nhw (conditional plural third-person)
dyddodais i (first-person preterite singular)
dyddodes i (first-person preterite singular)
dyddodaist ti (preterite second-person singular)
dyddodest ti (preterite second-person singular)
dyddododd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
dyddodon ni (first-person plural preterite)
dyddodoch chi (plural preterite second-person)
dyddodon nhw (plural preterite third-person)
dyddoda (imperative second-person singular)
dyddodwch (imperative plural second-person)
dyddodi
ddyddodi (soft)
nyddodi


cyddwyso

cyddwyso (first-person singular present cyddwysaf)

cyddwysaf (first-person present singular)
cyddwysaf (first-person future indicative present singular)
cyddwysi (future indicative present second-person singular)
cyddwysa (future indicative present singular third-person)
cyddwyswn (first-person future indicative plural present)
cyddwyswch (future indicative plural present second-person)
cyddwysant (future indicative plural present third-person)
cyddwysir (future impersonal indicative present)
cyddwyswn (conditional first-person singular)
cyddwyswn (first-person imperfect indicative singular subjunctive)
cyddwysit (conditional second-person singular)
cyddwysit (imperfect indicative second-person singular subjunctive)
cyddwysai (conditional singular third-person)
cyddwysai (imperfect indicative singular subjunctive third-person)
cyddwysem (conditional first-person plural)
cyddwysem (first-person imperfect indicative plural subjunctive)
cyddwysech (conditional plural second-person)
cyddwysech (imperfect indicative plural second-person subjunctive)
cyddwysent (conditional plural third-person)
cyddwysent (imperfect indicative plural subjunctive third-person)
cyddwysid (conditional impersonal)
cyddwysid (imperfect impersonal indicative subjunctive)
cyddwysais (first-person preterite singular)
cyddwysaist (preterite second-person singular)
cyddwysodd (preterite singular third-person)
cyddwysasom (first-person plural preterite)
cyddwysasoch (plural preterite second-person)
cyddwysasant (plural preterite third-person)
cyddwyswyd (impersonal preterite)
cyddwysaswn (first-person pluperfect singular)
cyddwysasit (pluperfect second-person singular)
cyddwysasai (pluperfect singular third-person)
cyddwysasem (first-person pluperfect plural)
cyddwysasech (pluperfect plural second-person)
cyddwysasent (pluperfect plural third-person)
cyddwysasid (impersonal pluperfect)
cyddwysesid (impersonal pluperfect)
cyddwyswyf (first-person present singular subjunctive)
cyddwysych (present second-person singular subjunctive)
cyddwyso (present singular subjunctive third-person)
cyddwysom (first-person plural present subjunctive)
cyddwysoch (plural present second-person subjunctive)
cyddwysont (plural present subjunctive third-person)
cyddwyser (impersonal present subjunctive)
cyddwysa (imperative second-person singular)
cyddwysed (imperative singular third-person)
cyddwyswn (first-person imperative plural)
cyddwyswch (imperative plural second-person)
cyddwysent (imperative plural third-person)
cyddwyser (imperative impersonal)
cyddwyso (noun-from-verb singular)
cyddwysedig (participle singular)
cyddwysadwy (participle singular)
cyddwysa i (first-person future singular)
cyddwysaf i (first-person future singular)
cyddwysi di (future second-person singular)
cyddwysith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
cyddwysiff e (future singular third-person)
cyddwyswn ni (first-person future plural)
cyddwyswch chi (future plural second-person)
cyddwysan nhw (future plural third-person)
cyddwyswn i (conditional first-person singular)
cyddwyset ti (conditional second-person singular)
cyddwysai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
cyddwysen ni (conditional first-person plural)
cyddwysech chi (conditional plural second-person)
cyddwysen nhw (conditional plural third-person)
cyddwysais i (first-person preterite singular)
cyddwyses i (first-person preterite singular)
cyddwysaist ti (preterite second-person singular)
cyddwysest ti (preterite second-person singular)
cyddwysodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
cyddwyson ni (first-person plural preterite)
cyddwysoch chi (plural preterite second-person)
cyddwyson nhw (plural preterite third-person)
cyddwysa (imperative second-person singular)
cyddwyswch (imperative plural second-person)
cyddwyso
gyddwyso (soft)
nghyddwyso
chyddwyso

From cy- + dwyso (“to condense, to intenstify”).


ïoneiddio

cy-verb

ïoneiddio (first-person singular present ïoneiddaf)

ïoneiddaf (first-person present singular)
ïoneiddaf (first-person future indicative present singular)
ïoneiddi (future indicative present second-person singular)
ïoneidda (future indicative present singular third-person)
ïoneiddwn (first-person future indicative plural present)
ïoneiddwch (future indicative plural present second-person)
ïoneiddant (future indicative plural present third-person)
ïoneiddir (future impersonal indicative present)
ïoneiddwn (conditional first-person singular)
ïoneiddwn (first-person imperfect indicative singular subjunctive)
ïoneiddit (conditional second-person singular)
ïoneiddit (imperfect indicative second-person singular subjunctive)
ïoneiddai (conditional singular third-person)
ïoneiddai (imperfect indicative singular subjunctive third-person)
ïoneiddem (conditional first-person plural)
ïoneiddem (first-person imperfect indicative plural subjunctive)
ïoneiddech (conditional plural second-person)
ïoneiddech (imperfect indicative plural second-person subjunctive)
ïoneiddent (conditional plural third-person)
ïoneiddent (imperfect indicative plural subjunctive third-person)
ïoneiddid (conditional impersonal)
ïoneiddid (imperfect impersonal indicative subjunctive)
ïoneiddais (first-person preterite singular)
ïoneiddaist (preterite second-person singular)
ïoneiddodd (preterite singular third-person)
ïoneiddasom (first-person plural preterite)
ïoneiddasoch (plural preterite second-person)
ïoneiddasant (plural preterite third-person)
ïoneiddwyd (impersonal preterite)
ïoneiddaswn (first-person pluperfect singular)
ïoneiddasit (pluperfect second-person singular)
ïoneiddasai (pluperfect singular third-person)
ïoneiddasem (first-person pluperfect plural)
ïoneiddasech (pluperfect plural second-person)
ïoneiddasent (pluperfect plural third-person)
ïoneiddasid (impersonal pluperfect)
ïoneiddesid (impersonal pluperfect)
ïoneiddwyf (first-person present singular subjunctive)
ïoneiddych (present second-person singular subjunctive)
ïoneiddo (present singular subjunctive third-person)
ïoneiddom (first-person plural present subjunctive)
ïoneiddoch (plural present second-person subjunctive)
ïoneiddont (plural present subjunctive third-person)
ïoneidder (impersonal present subjunctive)
ïoneidda (imperative second-person singular)
ïoneidded (imperative singular third-person)
ïoneiddwn (first-person imperative plural)
ïoneiddwch (imperative plural second-person)
ïoneiddent (imperative plural third-person)
ïoneidder (imperative impersonal)
ïoneiddio (noun-from-verb singular)
ïoneiddedig (participle singular)
ïoneiddadwy (participle singular)
ïoneidda i (first-person future singular)
ïoneiddaf i (first-person future singular)
ïoneiddi di (future second-person singular)
ïoneiddith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
ïoneiddiff e (future singular third-person)
ïoneiddwn ni (first-person future plural)
ïoneiddwch chi (future plural second-person)
ïoneiddan nhw (future plural third-person)
ïoneiddwn i (conditional first-person singular)
ïoneiddswn i (conditional first-person singular)
ïoneiddet ti (conditional second-person singular)
ïoneiddset ti (conditional second-person singular)
ïoneiddai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
ïoneiddsai fo (conditional singular third-person)
ïoneidden ni (conditional first-person plural)
ïoneiddsen ni (conditional first-person plural)
ïoneiddech chi (conditional plural second-person)
ïoneiddsech chi (conditional plural second-person)
ïoneidden nhw (conditional plural third-person)
ïoneiddsen nhw (conditional plural third-person)
ïoneiddais i (first-person preterite singular)
ïoneiddes i (first-person preterite singular)
ïoneiddaist ti (preterite second-person singular)
ïoneiddest ti (preterite second-person singular)
ïoneiddodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
ïoneiddon ni (first-person plural preterite)
ïoneiddoch chi (plural preterite second-person)
ïoneiddon nhw (plural preterite third-person)
ïoneidda (imperative second-person singular)
ïoneiddwch (imperative plural second-person)
ïoneiddio
hïoneiddio (prothesis-h)


ailgyfuno

ailgyfuno (first-person singular present ailgyfunaf)

ailgyfunaf (first-person present singular)
ailgyfunaf (first-person future indicative present singular)
ailgyfuni (future indicative present second-person singular)
ailgyfuna (future indicative present singular third-person)
ailgyfunwn (first-person future indicative plural present)
ailgyfunwch (future indicative plural present second-person)
ailgyfunant (future indicative plural present third-person)
ailgyfunir (future impersonal indicative present)
ailgyfunwn (conditional first-person singular)
ailgyfunwn (first-person imperfect indicative singular subjunctive)
ailgyfunit (conditional second-person singular)
ailgyfunit (imperfect indicative second-person singular subjunctive)
ailgyfunai (conditional singular third-person)
ailgyfunai (imperfect indicative singular subjunctive third-person)
ailgyfunem (conditional first-person plural)
ailgyfunem (first-person imperfect indicative plural subjunctive)
ailgyfunech (conditional plural second-person)
ailgyfunech (imperfect indicative plural second-person subjunctive)
ailgyfunent (conditional plural third-person)
ailgyfunent (imperfect indicative plural subjunctive third-person)
ailgyfunid (conditional impersonal)
ailgyfunid (imperfect impersonal indicative subjunctive)
ailgyfunais (first-person preterite singular)
ailgyfunaist (preterite second-person singular)
ailgyfunodd (preterite singular third-person)
ailgyfunasom (first-person plural preterite)
ailgyfunasoch (plural preterite second-person)
ailgyfunasant (plural preterite third-person)
ailgyfunwyd (impersonal preterite)
ailgyfunaswn (first-person pluperfect singular)
ailgyfunasit (pluperfect second-person singular)
ailgyfunasai (pluperfect singular third-person)
ailgyfunasem (first-person pluperfect plural)
ailgyfunasech (pluperfect plural second-person)
ailgyfunasent (pluperfect plural third-person)
ailgyfunasid (impersonal pluperfect)
ailgyfunesid (impersonal pluperfect)
ailgyfunwyf (first-person present singular subjunctive)
ailgyfunych (present second-person singular subjunctive)
ailgyfuno (present singular subjunctive third-person)
ailgyfunom (first-person plural present subjunctive)
ailgyfunoch (plural present second-person subjunctive)
ailgyfunont (plural present subjunctive third-person)
ailgyfuner (impersonal present subjunctive)
ailgyfuna (imperative second-person singular)
ailgyfuned (imperative singular third-person)
ailgyfunwn (first-person imperative plural)
ailgyfunwch (imperative plural second-person)
ailgyfunent (imperative plural third-person)
ailgyfuner (imperative impersonal)
ailgyfuno (noun-from-verb singular)
ailgyfunedig (participle singular)
ailgyfunadwy (participle singular)
ailgyfuna i (first-person future singular)
ailgyfunaf i (first-person future singular)
ailgyfuni di (future second-person singular)
ailgyfunith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
ailgyfuniff e (future singular third-person)
ailgyfunwn ni (first-person future plural)
ailgyfunwch chi (future plural second-person)
ailgyfunan nhw (future plural third-person)
ailgyfunwn i (conditional first-person singular)
ailgyfunswn i (conditional first-person singular)
ailgyfunet ti (conditional second-person singular)
ailgyfunset ti (conditional second-person singular)
ailgyfunai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
ailgyfunsai fo (conditional singular third-person)
ailgyfunen ni (conditional first-person plural)
ailgyfunsen ni (conditional first-person plural)
ailgyfunech chi (conditional plural second-person)
ailgyfunsech chi (conditional plural second-person)
ailgyfunen nhw (conditional plural third-person)
ailgyfunsen nhw (conditional plural third-person)
ailgyfunais i (first-person preterite singular)
ailgyfunes i (first-person preterite singular)
ailgyfunaist ti (preterite second-person singular)
ailgyfunest ti (preterite second-person singular)
ailgyfunodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
ailgyfunon ni (first-person plural preterite)
ailgyfunoch chi (plural preterite second-person)
ailgyfunon nhw (plural preterite third-person)
ailgyfuna (imperative second-person singular)
ailgyfunwch (imperative plural second-person)
ailgyfuno
hailgyfuno (prothesis-h)

/ˌai̯lɡəˈvɨ̞nɔ/

/ˌai̯lɡəˈvɪnɔ/

From ail- (“re-”) + cyfuno (“to combine”).