lente

Borrowed from Latin lentem (“lentil”), in Medieval Latin later taking on the sense of "lens".

(optics) lens (object focusing or defocusing the light passing through it)


focal

pt-adj

focal m or f (plural focais, not comparable)

Learned borrowing from New Latin focālis. By surface analysis, foco + -al.


albedo

pt-noun

albedo m (usually uncountable, plural albedos)

Etymology tree
Proto-Indo-European *albʰós
Proto-Italic *alβos
Latin albus
Proto-Indo-European *-Hōder.
Latin -ēdō
Late Latin albēdōlbor.
Portuguese albedo
Learned borrowing from Late Latin albēdō.

etymon

(physics, meteorology, astronomy, optics) albedo (the fraction of incident light or radiation reflected by a surface or body)


plano

Learned borrowing from Latin plānus (“flat”), from Proto-Indo-European *pleh₂-. Doublet of chão, porão, lhano, and piano.


perspectiva

Borrowed from Medieval Latin perspectīva (“science of optics”).

bor+

(optics) perspective (appearance of depth in objects)


confocal

(optics, mathematics) confocal (having the same foci)


foco

Learned borrowing from Latin focus. Doublet of fogo.

(optics) focus (point at which rays of light converge)


astigmatismo

(optics) astigmatism (defect of a lens such that it doesn’t have a focal point)


microscopia

(optics) microscopy (the use of microscopes)


reflexo

From Latin reflexus, past participle of reflectō (“to bend back; to reflect”).

(optics) reflection (something, such as an image, that is reflected)


reflexo

pt-adj

reflexo (feminine reflexa, masculine plural reflexos, feminine plural reflexas)

reflexa (feminine)
reflexos (masculine plural)
reflexas (feminine plural)


afocal

(optics, of a lens) afocal (having a focal point at infinity)


cáustica

(optics, computer graphics) caustic (envelope of reflected or refracted rays of light for a given surface or object)


focar

pt-verb

focar (first-person singular present foco, first-person singular preterite foquei, past participle focado)

foco (first-person present singular)
foquei (first-person preterite singular)
focado (participle past)
focar (impersonal infinitive)
focar (first-person infinitive singular)
focares (infinitive second-person singular)
focar (infinitive singular third-person)
focarmos (first-person infinitive plural)
focardes (infinitive plural second-person)
focarem (infinitive plural third-person)
focando (gerund)
focado (masculine participle past singular)
focados (masculine participle past plural)
focada (feminine participle past singular)
focadas (feminine participle past plural)
foco (first-person indicative present singular)
focas (indicative present second-person singular)
foca (indicative present singular third-person)
focamos (first-person indicative plural present)
focais (indicative plural present second-person)
focam (indicative plural present third-person)
focava (first-person imperfect indicative singular)
focavas (imperfect indicative second-person singular)
focava (imperfect indicative singular third-person)
focávamos (first-person imperfect indicative plural)
focáveis (imperfect indicative plural second-person)
focavam (imperfect indicative plural third-person)
foquei (first-person indicative preterite singular)
focaste (indicative preterite second-person singular)
focou (indicative preterite singular third-person)
focamos (Brazil first-person indicative plural preterite)
focámos (first-person indicative plural preterite)
focastes (indicative plural preterite second-person)
focaram (indicative plural preterite third-person)
focara (first-person indicative pluperfect singular)
focaras (indicative pluperfect second-person singular)
focara (indicative pluperfect singular third-person)
focáramos (first-person indicative pluperfect plural)
focáreis (indicative pluperfect plural second-person)
focaram (indicative pluperfect plural third-person)
focarei (first-person future indicative singular)
focarás (future indicative second-person singular)
focará (future indicative singular third-person)
focaremos (first-person future indicative plural)
focareis (future indicative plural second-person)
focarão (future indicative plural third-person)
focaria (conditional first-person singular)
focarias (conditional second-person singular)
focaria (conditional singular third-person)
focaríamos (conditional first-person plural)
focaríeis (conditional plural second-person)
focariam (conditional plural third-person)
foque (first-person present singular subjunctive)
foques (present second-person singular subjunctive)
foque (present singular subjunctive third-person)
foquemos (first-person plural present subjunctive)
foqueis (plural present second-person subjunctive)
foquem (plural present subjunctive third-person)
focasse (first-person imperfect singular subjunctive)
focasses (imperfect second-person singular subjunctive)
focasse (imperfect singular subjunctive third-person)
focássemos (first-person imperfect plural subjunctive)
focásseis (imperfect plural second-person subjunctive)
focassem (imperfect plural subjunctive third-person)
focar (first-person future singular subjunctive)
focares (future second-person singular subjunctive)
focar (future singular subjunctive third-person)
focarmos (first-person future plural subjunctive)
focardes (future plural second-person subjunctive)
focarem (future plural subjunctive third-person)
foca (imperative second-person singular)
foque (imperative singular third-person)
foquemos (first-person imperative plural)
focai (imperative plural second-person)
foquem (imperative plural third-person)
não foques (imperative negative second-person singular)
não foque (imperative negative singular third-person)
não foquemos (first-person imperative negative plural)
não foqueis (imperative negative plural second-person)
não foquem (imperative negative plural third-person)

(optics) (transitive) to focus (to cause (rays of light, etc) to converge at a single point)


telescópico

pt-adj

telescópico (feminine telescópica, masculine plural telescópicos, feminine plural telescópicas, not comparable)

telescópica (feminine)
telescópicos (masculine plural)
telescópicas (feminine plural)

From telescópio + -ico or tele- + -scópico, from Ancient Greek τῆλε (têle) and σκοπέω (skopéō).


acromático

acromático (feminine acromática, masculine plural acromáticos, feminine plural acromáticas)

acromática (feminine)
acromáticos (masculine plural)
acromáticas (feminine plural)

(optics) achromatic (containing components to prevent colour-related distortion)


distância focal

pt-noun

distância focal f (plural distâncias focais)


acromatizar

pt-verb

acromatizar (first-person singular present acromatizo, first-person singular preterite acromatizei, past participle acromatizado)

acromatizo (first-person present singular)
acromatizei (first-person preterite singular)
acromatizado (participle past)
acromatizar (impersonal infinitive)
acromatizar (first-person infinitive singular)
acromatizares (infinitive second-person singular)
acromatizar (infinitive singular third-person)
acromatizarmos (first-person infinitive plural)
acromatizardes (infinitive plural second-person)
acromatizarem (infinitive plural third-person)
acromatizando (gerund)
acromatizado (masculine participle past singular)
acromatizados (masculine participle past plural)
acromatizada (feminine participle past singular)
acromatizadas (feminine participle past plural)
acromatizo (first-person indicative present singular)
acromatizas (indicative present second-person singular)
acromatiza (indicative present singular third-person)
acromatizamos (first-person indicative plural present)
acromatizais (indicative plural present second-person)
acromatizam (indicative plural present third-person)
acromatizava (first-person imperfect indicative singular)
acromatizavas (imperfect indicative second-person singular)
acromatizava (imperfect indicative singular third-person)
acromatizávamos (first-person imperfect indicative plural)
acromatizáveis (imperfect indicative plural second-person)
acromatizavam (imperfect indicative plural third-person)
acromatizei (first-person indicative preterite singular)
acromatizaste (indicative preterite second-person singular)
acromatizou (indicative preterite singular third-person)
acromatizamos (Brazil first-person indicative plural preterite)
acromatizámos (first-person indicative plural preterite)
acromatizastes (indicative plural preterite second-person)
acromatizaram (indicative plural preterite third-person)
acromatizara (first-person indicative pluperfect singular)
acromatizaras (indicative pluperfect second-person singular)
acromatizara (indicative pluperfect singular third-person)
acromatizáramos (first-person indicative pluperfect plural)
acromatizáreis (indicative pluperfect plural second-person)
acromatizaram (indicative pluperfect plural third-person)
acromatizarei (first-person future indicative singular)
acromatizarás (future indicative second-person singular)
acromatizará (future indicative singular third-person)
acromatizaremos (first-person future indicative plural)
acromatizareis (future indicative plural second-person)
acromatizarão (future indicative plural third-person)
acromatizaria (conditional first-person singular)
acromatizarias (conditional second-person singular)
acromatizaria (conditional singular third-person)
acromatizaríamos (conditional first-person plural)
acromatizaríeis (conditional plural second-person)
acromatizariam (conditional plural third-person)
acromatize (first-person present singular subjunctive)
acromatizes (present second-person singular subjunctive)
acromatize (present singular subjunctive third-person)
acromatizemos (first-person plural present subjunctive)
acromatizeis (plural present second-person subjunctive)
acromatizem (plural present subjunctive third-person)
acromatizasse (first-person imperfect singular subjunctive)
acromatizasses (imperfect second-person singular subjunctive)
acromatizasse (imperfect singular subjunctive third-person)
acromatizássemos (first-person imperfect plural subjunctive)
acromatizásseis (imperfect plural second-person subjunctive)
acromatizassem (imperfect plural subjunctive third-person)
acromatizar (first-person future singular subjunctive)
acromatizares (future second-person singular subjunctive)
acromatizar (future singular subjunctive third-person)
acromatizarmos (first-person future plural subjunctive)
acromatizardes (future plural second-person subjunctive)
acromatizarem (future plural subjunctive third-person)
acromatiza (imperative second-person singular)
acromatize (imperative singular third-person)
acromatizemos (first-person imperative plural)
acromatizai (imperative plural second-person)
acromatizem (imperative plural third-person)
não acromatizes (imperative negative second-person singular)
não acromatize (imperative negative singular third-person)
não acromatizemos (first-person imperative negative plural)
não acromatizeis (imperative negative plural second-person)
não acromatizem (imperative negative plural third-person)

(transitive, optics) to achromatize (to remove chromatic aberration)


adaptometria

(optics) adaptometry (measurement of the threshold of brightness)


anaclástico

pt-adj

anaclástico (feminine anaclástica, masculine plural anaclásticos, feminine plural anaclásticas)

anaclástica (feminine)
anaclásticos (masculine plural)
anaclásticas (feminine plural)

(optics) anaclastic (produced by the refraction of light)


anamorfose

From Ancient Greek ἀναμόρφωσις (anamórphōsis). By surface analysis, ana- + -morfose. Compare Spanish anamorfosis, Italian anamorfosi.

der

(optics) anamorphosis (distorted image that may be viewed correctly from a specific angle or with a specific mirror)


anamórfico

pt-adj

anamórfico (feminine anamórfica, masculine plural anamórficos, feminine plural anamórficas)

anamórfica (feminine)
anamórficos (masculine plural)
anamórficas (feminine plural)

From Ancient Greek ᾰ̓νᾰ- (ănă-) + μορφή (morphḗ) + -ικός (-ikós). By surface analysis, ana- + -mórfico.

af

(optics) anamorphic (producing various optically distorted images)


anastigmático

pt-adj

anastigmático (feminine anastigmática, masculine plural anastigmáticos, feminine plural anastigmáticas)

anastigmática (feminine)
anastigmáticos (masculine plural)
anastigmáticas (feminine plural)

(optics, ophthalmology, of the eye, or a lens system) anastigmatic (free from astigmatism)


dióptrica

(optics) dioptrics (study of the refraction of light)


antirrefletivo

antirrefletivo (feminine antirrefletiva, masculine plural antirrefletivos, feminine plural antirrefletivas)

antirrefletiva (feminine)
antirrefletivos (masculine plural)
antirrefletivas (feminine plural)

(optics) antireflection (that inhibits reflection)


aplanático

aplanático (feminine aplanática, masculine plural aplanáticos, feminine plural aplanáticas)

aplanática (feminine)
aplanáticos (masculine plural)
aplanáticas (feminine plural)

(optics) aplanatic (free from spherical and chromatic aberration)


apocromático

apocromático (feminine apocromática, masculine plural apocromáticos, feminine plural apocromáticas)

apocromática (feminine)
apocromáticos (masculine plural)
apocromáticas (feminine plural)

(optics) apochromatic (corrected for chromatic and spherical aberration)