ether

cy-noun

ether f (usually uncountable, plural ethra or ethera)

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

(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)


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)


cloro-

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

uder

(organic chemistry) chloro- (chlorine, green)


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)


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)


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)


methan

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


elfen

elfennau (plural)
elfen
helfen (prothesis-h)

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


halid

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


alwminiwm

alwminiwm
halwminiwm (prothesis-h)
aliwminiwm (alternative)


cyfnod

cyfnodau (plural)
cyfnod
gyfnod (soft)
nghyfnod
chyfnod


cromad

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


anweddu

cy-verb

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)


cytref

cytrefi (plural)
cytref
gytref (soft)
nghytref
chytref

gwladfa

colony (settlement or governmental unit)


coloid

coloidau (plural)
coloid
goloid (soft)
ngholoid
choloid


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.


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


asid amino

(organic chemistry, biochemistry) amino acid


hydawdd

cy-adj

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)


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)


nitrad

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


gwirfwy

(uncountable, organic chemistry, obsolete) ether


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)


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”).


tarthu

tarthu (first-person singular present tarthaf)

tarthaf (first-person present singular)
tarthaf (first-person future indicative present singular)
sychderthi (future indicative present second-person singular)
tartha (future indicative present singular third-person)
tarthwn (first-person future indicative plural present)
sychderthwch (future indicative plural present second-person)
tarthwch (future indicative plural present second-person)
tarthant (future indicative plural present third-person)
sychderthir (future impersonal indicative present)
tarthwn (conditional first-person singular)
tarthwn (first-person imperfect indicative singular subjunctive)
tarthit (conditional second-person singular)
tarthit (imperfect indicative second-person singular subjunctive)
tarthai (conditional singular third-person)
tarthai (imperfect indicative singular subjunctive third-person)
tarthem (conditional first-person plural)
tarthem (first-person imperfect indicative plural subjunctive)
tarthech (conditional plural second-person)
tarthech (imperfect indicative plural second-person subjunctive)
tarthent (conditional plural third-person)
tarthent (imperfect indicative plural subjunctive third-person)
sychderthid (conditional impersonal)
sychderthid (imperfect impersonal indicative subjunctive)
sychderthais (first-person preterite singular)
sychderthaist (preterite second-person singular)
tarthodd (preterite singular third-person)
tarthasom (first-person plural preterite)
tarthasoch (plural preterite second-person)
tarthasant (plural preterite third-person)
tarthwyd (impersonal preterite)
tarthaswn (first-person pluperfect singular)
tarthasit (pluperfect second-person singular)
tarthasai (pluperfect singular third-person)
tarthasem (first-person pluperfect plural)
tarthasech (pluperfect plural second-person)
tarthasent (pluperfect plural third-person)
tarthasid (impersonal pluperfect)
tarthesid (impersonal pluperfect)
tarthwyf (first-person present singular subjunctive)
sychderthych (present second-person singular subjunctive)
tartho (present singular subjunctive third-person)
tarthom (first-person plural present subjunctive)
tarthoch (plural present second-person subjunctive)
tarthont (plural present subjunctive third-person)
tarther (impersonal present subjunctive)
tartha (imperative second-person singular)
tarthed (imperative singular third-person)
tarthwn (first-person imperative plural)
sychderthwch (imperative plural second-person)
tarthwch (imperative plural second-person)
tarthent (imperative plural third-person)
tarther (imperative impersonal)
tarthu (noun-from-verb singular)
tarthedig (participle singular)
tarthadwy (participle singular)
tartha i (first-person future singular)
tarthaf i (first-person future singular)
tarthi di (future second-person singular)
tarthith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
tarthiff e (future singular third-person)
tarthwn ni (first-person future plural)
tarthwch chi (future plural second-person)
tarthan nhw (future plural third-person)
tarthwn i (conditional first-person singular)
tarthswn i (conditional first-person singular)
tarthet ti (conditional second-person singular)
tarthset ti (conditional second-person singular)
tarthai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
tarthsai fo (conditional singular third-person)
tarthen ni (conditional first-person plural)
tarthsen ni (conditional first-person plural)
tarthech chi (conditional plural second-person)
tarthsech chi (conditional plural second-person)
tarthen nhw (conditional plural third-person)
tarthsen nhw (conditional plural third-person)
tarthais i (first-person preterite singular)
tarthes i (first-person preterite singular)
tarthaist ti (preterite second-person singular)
tarthest ti (preterite second-person singular)
tarthodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
tarthon ni (first-person plural preterite)
tarthoch chi (plural preterite second-person)
tarthon nhw (plural preterite third-person)
tartha (imperative second-person singular)
tarthwch (imperative plural second-person)


gwaddod

From Proto-Celtic *wodātu. Synchrynically analysable as a deverbalisation of gwaddodi (“to precipitate”).


gwaddodiad

gwaddodiadau (plural)
gwaddodiad
waddodiad (soft)
ngwaddodiad

From gwaddodi (“to precipitate”) + -iad.


gwaddodi

gwaddodi (first-person singular present gwaddodaf)

gwaddodaf (first-person present singular)
gwaddodaf (first-person future indicative present singular)
gwaddodi (future indicative present second-person singular)
gwaddoda (future indicative present singular third-person)
gwaddodwn (first-person future indicative plural present)
gwaddodwch (future indicative plural present second-person)
gwaddodant (future indicative plural present third-person)
gwaddodir (future impersonal indicative present)
gwaddodwn (conditional first-person singular)
gwaddodwn (first-person imperfect indicative singular subjunctive)
gwaddodit (conditional second-person singular)
gwaddodit (imperfect indicative second-person singular subjunctive)
gwaddodai (conditional singular third-person)
gwaddodai (imperfect indicative singular subjunctive third-person)
gwaddodem (conditional first-person plural)
gwaddodem (first-person imperfect indicative plural subjunctive)
gwaddodech (conditional plural second-person)
gwaddodech (imperfect indicative plural second-person subjunctive)
gwaddodent (conditional plural third-person)
gwaddodent (imperfect indicative plural subjunctive third-person)
gwaddodid (conditional impersonal)
gwaddodid (imperfect impersonal indicative subjunctive)
gwaddodais (first-person preterite singular)
gwaddodaist (preterite second-person singular)
gwaddododd (preterite singular third-person)
gwaddodasom (first-person plural preterite)
gwaddodasoch (plural preterite second-person)
gwaddodasant (plural preterite third-person)
gwaddodwyd (impersonal preterite)
gwaddodaswn (first-person pluperfect singular)
gwaddodasit (pluperfect second-person singular)
gwaddodasai (pluperfect singular third-person)
gwaddodasem (first-person pluperfect plural)
gwaddodasech (pluperfect plural second-person)
gwaddodasent (pluperfect plural third-person)
gwaddodasid (impersonal pluperfect)
gwaddodesid (impersonal pluperfect)
gwaddodwyf (first-person present singular subjunctive)
gwaddodych (present second-person singular subjunctive)
gwaddodo (present singular subjunctive third-person)
gwaddodom (first-person plural present subjunctive)
gwaddodoch (plural present second-person subjunctive)
gwaddodont (plural present subjunctive third-person)
gwaddoder (impersonal present subjunctive)
gwaddoda (imperative second-person singular)
gwaddoded (imperative singular third-person)
gwaddodwn (first-person imperative plural)
gwaddodwch (imperative plural second-person)
gwaddodent (imperative plural third-person)
gwaddoder (imperative impersonal)
gwaddodi (noun-from-verb singular)
gwaddodedig (participle singular)
gwaddodadwy (participle singular)
gwaddoda i (first-person future singular)
gwaddodaf i (first-person future singular)
gwaddodi di (future second-person singular)
gwaddodith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
gwaddodiff e (future singular third-person)
gwaddodwn ni (first-person future plural)
gwaddodwch chi (future plural second-person)
gwaddodan nhw (future plural third-person)
gwaddodwn i (conditional first-person singular)
gwaddodswn i (conditional first-person singular)
gwaddodet ti (conditional second-person singular)
gwaddodset ti (conditional second-person singular)
gwaddodai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
gwaddodsai fo (conditional singular third-person)
gwaddoden ni (conditional first-person plural)
gwaddodsen ni (conditional first-person plural)
gwaddodech chi (conditional plural second-person)
gwaddodsech chi (conditional plural second-person)
gwaddoden nhw (conditional plural third-person)
gwaddodsen nhw (conditional plural third-person)
gwaddodais i (first-person preterite singular)
gwaddodes i (first-person preterite singular)
gwaddodaist ti (preterite second-person singular)
gwaddodest ti (preterite second-person singular)
gwaddododd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
gwaddodon ni (first-person plural preterite)
gwaddodoch chi (plural preterite second-person)
gwaddodon nhw (plural preterite third-person)
gwaddoda (imperative second-person singular)
gwaddodwch (imperative plural second-person)
gwaddodi
waddodi (soft)
ngwaddodi

From gwa- (“under, sub-”) + dodi (“to put, to place”).

af

(chemistry, geography) to deposit sediment, to precipitate


sylffad

cy-noun

sylffad m (plural sylffadau, not mutable)

Borrowed from English sulfate or sulphate. By surface analysis, sylff- (“sulf-”) + -ad (“-ate”).


clorid

Borrowed from English chloride, analysable as clor- (“chlor(o)-”) + -id (“ide”).


fflworid

cy-noun

fflworid m (plural fflworidau, not mutable)

Borrowed from English fluoride, analysable as fflwor- (“fluor(o)-”) + -id (“ide”).


clor-

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


fflworo-

(organic chemistry) fluoro- (containing fluorine)


fflwor-

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


nitradu

cy-verb

nitradu (first-person singular present nitradaf, not mutable)

nitradaf (first-person present singular)
nitradaf (first-person future indicative present singular)
nitredi (future indicative present second-person singular)
nitrada (future indicative present singular third-person)
nitradwn (first-person future indicative plural present)
nitredwch (future indicative plural present second-person)
nitradwch (future indicative plural present second-person)
nitradant (future indicative plural present third-person)
nitredir (future impersonal indicative present)
nitradwn (conditional first-person singular)
nitradwn (first-person imperfect indicative singular subjunctive)
nitradit (conditional second-person singular)
nitradit (imperfect indicative second-person singular subjunctive)
nitradai (conditional singular third-person)
nitradai (imperfect indicative singular subjunctive third-person)
nitradem (conditional first-person plural)
nitradem (first-person imperfect indicative plural subjunctive)
nitradech (conditional plural second-person)
nitradech (imperfect indicative plural second-person subjunctive)
nitradent (conditional plural third-person)
nitradent (imperfect indicative plural subjunctive third-person)
nitredid (conditional impersonal)
nitredid (imperfect impersonal indicative subjunctive)
nitredais (first-person preterite singular)
nitredaist (preterite second-person singular)
nitradodd (preterite singular third-person)
nitradasom (first-person plural preterite)
nitradasoch (plural preterite second-person)
nitradasant (plural preterite third-person)
nitradwyd (impersonal preterite)
nitradaswn (first-person pluperfect singular)
nitradasit (pluperfect second-person singular)
nitradasai (pluperfect singular third-person)
nitradasem (first-person pluperfect plural)
nitradasech (pluperfect plural second-person)
nitradasent (pluperfect plural third-person)
nitradasid (impersonal pluperfect)
nitradesid (impersonal pluperfect)
nitradwyf (first-person present singular subjunctive)
nitredych (present second-person singular subjunctive)
nitrado (present singular subjunctive third-person)
nitradom (first-person plural present subjunctive)
nitradoch (plural present second-person subjunctive)
nitradont (plural present subjunctive third-person)
nitrader (impersonal present subjunctive)
nitrada (imperative second-person singular)
nitraded (imperative singular third-person)
nitradwn (first-person imperative plural)
nitredwch (imperative plural second-person)
nitradwch (imperative plural second-person)
nitradent (imperative plural third-person)
nitrader (imperative impersonal)
nitradu (noun-from-verb singular)
nitradedig (participle singular)
nitradadwy (participle singular)
nitrada i (first-person future singular)
nitradaf i (first-person future singular)
nitradi di (future second-person singular)
nitradith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
nitradiff e (future singular third-person)
nitradwn ni (first-person future plural)
nitradwch chi (future plural second-person)
nitradan nhw (future plural third-person)
nitradwn i (conditional first-person singular)
nitradswn i (conditional first-person singular)
nitradet ti (conditional second-person singular)
nitradset ti (conditional second-person singular)
nitradai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
nitradsai fo (conditional singular third-person)
nitraden ni (conditional first-person plural)
nitradsen ni (conditional first-person plural)
nitradech chi (conditional plural second-person)
nitradsech chi (conditional plural second-person)
nitraden nhw (conditional plural third-person)
nitradsen nhw (conditional plural third-person)
nitradais i (first-person preterite singular)
nitrades i (first-person preterite singular)
nitradaist ti (preterite second-person singular)
nitradest ti (preterite second-person singular)
nitradodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
nitradon ni (first-person plural preterite)
nitradoch chi (plural preterite second-person)
nitradon nhw (plural preterite third-person)
nitrada (imperative second-person singular)
nitradwch (imperative plural second-person)


ffenol

Borrowed from English phenol. By surface analysis, ffeno- (“pheno-”) + -ol


ffenolig

cy-adj

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

ffenolig (feminine singular)
ffenolig (plural)

Borrowed from English phenol. By surface analysis, ffenol + -ig.


ffeno-

(organic chemistry) pheno- (containing phenol)


asid fformig

(organic chemistry) synonym of asid methanöig (“methanoic acid”), formic acid


asid methanöig

(organic chemistry) methanoic acid, formic acid.


methanöig

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

methanöig (feminine singular)
methanöig (plural)

/ˌmɛθaˈnoː.ɪɡ/

From English methanoic. By surface analysis, methan (“methane”) + -öig.


bwtanöig

cy-adj

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

bwtanöig (feminine singular)
bwtanöig (plural)

By surface analysis, bwtan (“butane”) + -öig


ethanöig

cy-adj

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

ethanöig (feminine singular)
ethanöig (plural)

By surface analysis, ethan (“ethane”) + -öig


pentanöig

cy-adj

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

pentanöig (feminine singular)
pentanöig (plural)

By surface analysis, pentan (“pentane”) + -öig


propanöig

cy-adj

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

propanöig (feminine singular)
propanöig (plural)

By surface analysis, propan (“propane”) + -öig


hecsanöig

cy-adj

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

hecsanöig (feminine singular)
hecsanöig (plural)

By surface analysis, hecsan (“hexane”) + -öig


capröig

cy-adj

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

capröig (feminine singular)
capröig (plural)

Borrowed from English caproic. By surface analysis, Latin caper (“goat”) + -öig.

surface analysis

(organic chemistry) synonym of hecsanöig (“hexanoic”), caproic


-öig

(organic chemistry) -oic (suffix denoting carboxylic groups)


fformig

cy-adj

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

fformig (feminine singular)
fformig (plural)

(organic chemistry) synonym of methanöig (“methanoic”), formic


nitrig

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

nitrig (feminine singular)
nitrig (plural)


nitrus

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

nitrus (feminine singular)
nitrus (plural)


sylff-

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


sylffo-

(organic chemistry) sulfo- (containing sulfur)


bwtylamin

Adapted from English butylamine. By surface analysis, bwtyl- + -amin.


ethylamin

Adapted from English ethylamine. By surface analysis, ethyl- + -amin.


methylamin

Adapted from English methylamine. By surface analysis, methyl- + -amin.


propylamin

Adapted from English propylamine. By surface analysis, propyl- + -amin.


nitrobensen

Adapted borrowing of English nitrobenzene. By surface analysis, nitro- + bensen

adapted borrowing

(organic chemistry) nitrobenzene (aromatic compound C₆H₅NO₂)


asetig

cy-adj

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

asetig (feminine singular)
asetig (plural)

(organic chemistry) synonym of ethanöig (“ethanoic”), acetic


moleciwlaidd

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

moleciwlaidd (feminine singular)
moleciwlaidd (plural)
moleciwlaidd
foleciwlaidd (soft)

Adapted from English molecular. By surface analysis, moleciwl (“molecule”) + -aidd.


moleciwl

moleciwlau (plural)
moleciwl
foleciwl (soft)


isomeredd adeileddol

structural isomerism
structural isomerism


isomer adeileddol

cy-noun

isomer adeileddol m (plural isomerau adeileddol)


isomer optegol

isomer optegol m (plural isomerau optegol)


esteriad

esteriadau (plural)
esteriad
hesteriad (prothesis-h)


esteru

cy-verb

esteru (first-person singular present esteraf)

esteraf (first-person present singular)
esteraf (first-person future indicative present singular)
esteri (future indicative present second-person singular)
estera (future indicative present singular third-person)
esterwn (first-person future indicative plural present)
esterwch (future indicative plural present second-person)
esterant (future indicative plural present third-person)
esterir (future impersonal indicative present)
esterwn (conditional first-person singular)
esterwn (first-person imperfect indicative singular subjunctive)
esterit (conditional second-person singular)
esterit (imperfect indicative second-person singular subjunctive)
esterai (conditional singular third-person)
esterai (imperfect indicative singular subjunctive third-person)
esterem (conditional first-person plural)
esterem (first-person imperfect indicative plural subjunctive)
esterech (conditional plural second-person)
esterech (imperfect indicative plural second-person subjunctive)
esterent (conditional plural third-person)
esterent (imperfect indicative plural subjunctive third-person)
esterid (conditional impersonal)
esterid (imperfect impersonal indicative subjunctive)
esterais (first-person preterite singular)
esteraist (preterite second-person singular)
esterodd (preterite singular third-person)
esterasom (first-person plural preterite)
esterasoch (plural preterite second-person)
esterasant (plural preterite third-person)
esterwyd (impersonal preterite)
esteraswn (first-person pluperfect singular)
esterasit (pluperfect second-person singular)
esterasai (pluperfect singular third-person)
esterasem (first-person pluperfect plural)
esterasech (pluperfect plural second-person)
esterasent (pluperfect plural third-person)
esterasid (impersonal pluperfect)
esteresid (impersonal pluperfect)
esterwyf (first-person present singular subjunctive)
esterych (present second-person singular subjunctive)
estero (present singular subjunctive third-person)
esterom (first-person plural present subjunctive)
esteroch (plural present second-person subjunctive)
esteront (plural present subjunctive third-person)
esterer (impersonal present subjunctive)
estera (imperative second-person singular)
estered (imperative singular third-person)
esterwn (first-person imperative plural)
esterwch (imperative plural second-person)
esterent (imperative plural third-person)
esterer (imperative impersonal)
esteru (noun-from-verb singular)
esteredig (participle singular)
esteradwy (participle singular)
estera i (first-person future singular)
esteraf i (first-person future singular)
esteri di (future second-person singular)
esterith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
esteriff e (future singular third-person)
esterwn ni (first-person future plural)
esterwch chi (future plural second-person)
esteran nhw (future plural third-person)
esterwn i (conditional first-person singular)
esterswn i (conditional first-person singular)
esteret ti (conditional second-person singular)
esterset ti (conditional second-person singular)
esterai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
estersai fo (conditional singular third-person)
esteren ni (conditional first-person plural)
estersen ni (conditional first-person plural)
esterech chi (conditional plural second-person)
estersech chi (conditional plural second-person)
esteren nhw (conditional plural third-person)
estersen nhw (conditional plural third-person)
esterais i (first-person preterite singular)
esteres i (first-person preterite singular)
esteraist ti (preterite second-person singular)
esterest ti (preterite second-person singular)
esterodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
esteron ni (first-person plural preterite)
esteroch chi (plural preterite second-person)
esteron nhw (plural preterite third-person)
estera (imperative second-person singular)
esterwch (imperative plural second-person)
esteru
hesteru (prothesis-h)

(organic chemistry, transitive) to esterify


clorig

cy-adj

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

clorig (feminine singular)
clorig (plural)


clorus

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

clorus (feminine singular)
clorus (plural)


clorobensen

Adapted borrowing of English chlorobenzene. By surface analysis, cloro- + bensen


asid ethanöig

(organic chemistry) ethanoic acid, acetic acid


asid asetig

(organic chemistry) synonym of asid ethanöig (“ethanoic acid”), acetic acid


asid carbocsylig

cy-noun

asid carbocsylig m (plural asidau carbocsylig or asid carbocsyligion)

asidau carbocsylig (plural)
asid carbocsyligion (plural)


carbocsylig

cy-adj

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

carbocsylig (feminine singular)
carbocsylig (plural)

Borrowed from English carboxylic. By surface analysis, carbocsyl + -ig.


asid brasterog

cy-noun

asid brasterog m (plural asidau brasterog or asid brasterogion)

asidau brasterog (plural)
asid brasterogion (plural)

(organic chemistry, biochemistry) fatty acid.


asid glyserig

(organic chemistry, biochemistry) glyceric acid


arian nitrad

(inorganic chemistry) silver nitrate, AgNO₃


ffosffad

ffosffad m (plural ffosffadau, not mutable)

Borrowed from English phosphate. By surface analysis, ffosff- (“phosph-”) + -ad (“-ate”).


manganad

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


hydrobromid

Internationalism based on English hydrobromide. By surface analysis, hydro- + bromid.

Mae’n llai tebygol o achosi syrthni na hyosin hydrobromid.

2020 September, Cymdeithas Clefyd Niwronau Echddygol, 7A – Problemau llyncu [7A – Swallowing difficulties], Northampton: Motor Neurone Disease Association, adran 2: “Sut gallaf reoli problemau gyda’r poer?” [section 2: “How can I manage difficulties with saliva?”], page 8:

It is less likely to cause drowsiness than hyoscine hydrobromide.

(organic chemistry) hydrobromide (compound of hydrobromic acid with an organic base)


cnwc

cy-noun

cnwc m (plural cnyciau, diminutive cnwcyn or cnycyn)

cnyciau (plural)
cnwcyn (diminutive)
cnycyn (diminutive)
cnwc
gnwc (soft)
nghnwc
chnwc
cwnwg (alternative)
cnwcc (alternative obsolete)
cnwch (alternative obsolete)
knwk (alternative obsolete)

From Old Irish cnocc (“hill, lump, ulcer”).

Sexdecimal, a. (Ll. sex a decem) âg iddo 6 wyneb a dau gwnwg; âg iddo ddeg wyneb.

1858, Daniel Silvan Evans, An English and Welsh dictionary, adapted to the present state of science and literature; in which the English words are deduced from their originals, and explained by their synonyms, in the Welsh language., volume II: H–Z (overall work in English and Welsh), Denbigh · London: Thomas Gee · Simpkin & Marshall, page 790/2, s.v. “Sexdecimal, a.”:

Sexdecimal, a. (L. sex and decem) having 6 faces and two summits; having ten faces.

(crystallography) a summit (each of the two vertices of a rhombohedral crystal having equangular faces)


byffer

hydoddiant byffer
hydoddiant byffer#Welsh

buffer (something used to isolate or minimise the impact of one thing on another)

(physical chemistry) clipping of hydoddiant byffer buffer solution


hydoddiant byffer

hydoddiant byffer m (plural hydoddiannau byffer, not mutable)


glyserig

cy-adj

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

glyserig (feminine singular)
glyserig (plural)

/ɡlɨ̞ˈsɛrɪɡ/

/ɡlɪˈseːrɪɡ/


halwyn

Inherited from Middle Welsh halaen, cf. maharen (“ram”) from maharaen. Doublet of halen (“table salt”).


aligylchol

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

aligylchol (feminine singular)
aligylchol (plural)
aligylchol
haligylchol (prothesis-h)

Blend of aliffatig (“aliphatic”) + cylchol (“cyclic”). Calque of English alicyclic.


aliffatig

cy-adj

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

aliffatig (feminine singular)
aliffatig (plural)
aliffatig
haliffatig (prothesis-h)


affinedd

affineddau (plural)
affinedd
haffinedd (prothesis-h)


deuol

deuolau (plural)
deuol
ddeuol (soft)
neuol

Adapted borrowing of English diol, with phono-semantic matching to appear like an extension of Etymology 1.


isomorffedd

cy-noun

isomorffedd m (usually uncountable, plural isomorffeddau)

isomorffeddau (plural)
isomorffedd
hisomorffedd (prothesis-h)

(biology, chemistry, physics) isomorphism


malig

cy-adj

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

malig (feminine singular)
malig (plural)

Internationalism (see English malic), ultimately from French malique.


cyfansawdd

cy-noun

cyfansawdd m (plural cyfansoddion or cyfansoddiau or cyfansawddau)

cyfansoddion (plural)
cyfansoddiau (plural)
cyfansawddau (plural)

compound, composite
(chemistry) compound


gorddirlawn

cy-adj

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

gorddirlawn (feminine singular)
gorddirlawn (plural)
mor orddirlawn (equative)
mwy gorddirlawn (comparative)
mwyaf gorddirlawn (superlative)
gorddirlawn
orddirlawn (soft)
ngorddirlawn

gor- (“too, very”) + dirlawn (“saturated”).


gordrwythedig

cy-adj

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

gordrwythedig (feminine singular)
gordrwythedig (plural)
mor ordrwythedig (equative)
mwy gordrwythedig (comparative)
mwyaf gordrwythedig (superlative)
gordrwythedig
ordrwythedig (soft)
ngordrwythedig

/ɡɔrdrʊɨ̯ˈθɛdɪɡ/

/ɡɔrdrʊi̯ˈθeːdɪɡ/

/ɡɔrdrʊi̯ˈθɛdɪɡ/

gor- (“too, very”) + trwythedig (“saturated”).


cofalent

cy-adj

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

cofalent (feminine singular)
cofalent (plural)
cyfalent (alternative)

Internationalism.
Borrowed from English covalent.


ïonig

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

ïonig (feminine singular)
ïonig (plural)
iönig (alternative)

Internationalism
borrowed from English ionic. By surface analysis, ïon (“ion”) + -ig.


trylediad

trylediad
drylediad (soft)
nhrylediad
thrylediad


tryledu

cy-verb

tryledu (first-person singular present tryledaf)

tryledaf (first-person present singular)
tryledaf (first-person future indicative present singular)
tryledi (future indicative present second-person singular)
tryled (future indicative present singular third-person)
tryleda (future indicative present singular third-person)
tryledwn (first-person future indicative plural present)
tryledwch (future indicative plural present second-person)
tryledant (future indicative plural present third-person)
tryledir (future impersonal indicative present)
tryledwn (conditional first-person singular)
tryledwn (first-person imperfect indicative singular subjunctive)
tryledit (conditional second-person singular)
tryledit (imperfect indicative second-person singular subjunctive)
tryledai (conditional singular third-person)
tryledai (imperfect indicative singular subjunctive third-person)
tryledem (conditional first-person plural)
tryledem (first-person imperfect indicative plural subjunctive)
tryledech (conditional plural second-person)
tryledech (imperfect indicative plural second-person subjunctive)
tryledent (conditional plural third-person)
tryledent (imperfect indicative plural subjunctive third-person)
tryledid (conditional impersonal)
tryledid (imperfect impersonal indicative subjunctive)
tryledais (first-person preterite singular)
tryledaist (preterite second-person singular)
tryledodd (preterite singular third-person)
tryledasom (first-person plural preterite)
tryledasoch (plural preterite second-person)
tryledasant (plural preterite third-person)
tryledwyd (impersonal preterite)
tryledaswn (first-person pluperfect singular)
tryledasit (pluperfect second-person singular)
tryledasai (pluperfect singular third-person)
tryledasem (first-person pluperfect plural)
tryledasech (pluperfect plural second-person)
tryledasent (pluperfect plural third-person)
tryledasid (impersonal pluperfect)
tryledesid (impersonal pluperfect)
tryledwyf (first-person present singular subjunctive)
tryledych (present second-person singular subjunctive)
tryledo (present singular subjunctive third-person)
tryledom (first-person plural present subjunctive)
tryledoch (plural present second-person subjunctive)
tryledont (plural present subjunctive third-person)
tryleder (impersonal present subjunctive)
tryled (imperative second-person singular)
tryleda (imperative second-person singular)
tryleded (imperative singular third-person)
tryledwn (first-person imperative plural)
tryledwch (imperative plural second-person)
tryledent (imperative plural third-person)
tryleder (imperative impersonal)
tryledu (noun-from-verb singular)
trylededig (participle singular)
tryledadwy (participle singular)
tryleda i (first-person future singular)
tryledaf i (first-person future singular)
tryledi di (future second-person singular)
tryledith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
trylediff e (future singular third-person)
tryledwn ni (first-person future plural)
tryledwch chi (future plural second-person)
tryledan nhw (future plural third-person)
tryledwn i (conditional first-person singular)
tryledswn i (conditional first-person singular)
tryledet ti (conditional second-person singular)
tryledset ti (conditional second-person singular)
tryledai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
tryledsai fo (conditional singular third-person)
tryleden ni (conditional first-person plural)
tryledsen ni (conditional first-person plural)
tryledech chi (conditional plural second-person)
tryledsech chi (conditional plural second-person)
tryleden nhw (conditional plural third-person)
tryledsen nhw (conditional plural third-person)
tryledais i (first-person preterite singular)
tryledes i (first-person preterite singular)
tryledaist ti (preterite second-person singular)
tryledest ti (preterite second-person singular)
tryledodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
tryledon ni (first-person plural preterite)
tryledoch chi (plural preterite second-person)
tryledon nhw (plural preterite third-person)
tryleda (imperative second-person singular)
tryledwch (imperative plural second-person)
tryledu
dryledu (soft)
nhryledu
thryledu

try- (“through-”) + lledu (“to spread, to broaden”)


tabl cyfnodol

tabl cyfnodol
dabl cyfnodol (soft)
nhabl cyfnodol
thabl cyfnodol


radical rhydd

cy-noun

radical rhydd m (uncountable, not mutable)


aromatig

cy-adj

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

aromatig (feminine singular)
aromatig (plural)
mor aromatig (equative)
mwy aromatig (comparative)
mwyaf aromatig (superlative)
aromatig
haromatig (prothesis-h)


trawsnewidiad gwedd

cy-noun

trawsnewidiad gwedd m (plural trawsnewidiadau gwedd)

trawsnewidiadau gwedd (plural)
trawsnewidiad gwedd
drawsnewidiad gwedd (soft)
nhrawsnewidiad gwedd
thrawsnewidiad gwedd


cyflymydd

/kəvˈləmɨ̞ð/


catalydd

Adapted borrowing of English catalyst + -ydd.


catalytig

cy-adj

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

catalytig (feminine singular)
catalytig (plural)

Learned borrowing from English catalytic + -ig.


coloidaidd

cy-adj

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

coloidaidd (feminine singular)
coloidaidd (plural)
coloidaidd
goloidaidd (soft)
ngholoidaidd
choloidaidd

Adapted borrowing of English colloidal. By surface analysis, coloid + -aidd.