opto-

Word Origin

a combining form meaning “optic” or “vision,” used in the formation of compound words:

optometry.

Origin

< Greek optós visible; akin to ṓps face; cf. eye

Related Words

optoelectronics
optometer
optometry
optophone
optotype

opto-
combining form

ETYMOLOGY Greek optos, verbal of opsesthai — more at optic

1. vision
optometry
2. optic and
optoelectronics

opto-from Gr. ὀπτός ‘seen, visible’ and related words in ὀπτ-, used to form modern derivatives and compounds with the notion of ‘sight, vision’, or ‘optic’. See the following words.

opto- /ˈɒptəʊ/ combining form.

ORIGIN: Greek optos seen, visible: see -o-.

Forming (chiefly scientific) words with the sense ‘of sight or vision, optic’.

DERIVATIVE optoaˈcoustic adjective designating, pertaining to, or involving the effect whereby a light beam periodically interrupted at an audio frequency produces sound when made to irradiate an enclosed body of gas L20.
optoˈcoupler noun (Electronics) a device containing light-emitting and light-sensitive components, used to couple isolated circuits L20.
optoelecˈtronic adjective involving or pertaining to the interconversion or interaction of light and electronic signals M20.
optoelecˈtronics noun the study and application of optoelectronic effects M20.
optotype noun (Ophthalmology) a letter or figure of definite size used for testing acuteness of vision; a test type: L19.

opto-
combining form
Etymology: Greek optos, verbal of opsesthai to be going to see — more at optic
1. : vision
< optometer >
2. : eye
< optoblast >
< optotype >
3. : optic : optic and
< optokinetic >
< optocoele >

opto-

Prefix

eye, vision, light

Etymology

From Ancient Greek ὀπτικός (optikós, “of seeing”).

Derived terms

English words prefixed with opto-

External links

optometry in The Century Dictionary, The Century Co., New York, 1911

opto- at OneLook Dictionary Search

词汇	opto-
词根词缀	Dictionary.com MWCD OED SOED Webster Wiktionary opto- Word Origin 1 a combining form meaning “optic” or “vision,” used in the formation of compound words: optometry. Origin < Greek optós visible; akin to ṓps face; cf. eye Related Words optoelectronics optometer optometry optophone optotype opto- combining form ETYMOLOGY Greek optos, verbal of opsesthai — more at optic 1. vision optometry 2. optic and optoelectronics opto-from Gr. ὀπτός ‘seen, visible’ and related words in ὀπτ-, used to form modern derivatives and compounds with the notion of ‘sight, vision’, or ‘optic’. See the following words. opto- /ˈɒptəʊ/ combining form. ORIGIN: Greek optos seen, visible: see -o-. Forming (chiefly scientific) words with the sense ‘of sight or vision, optic’. DERIVATIVE optoaˈcoustic adjective designating, pertaining to, or involving the effect whereby a light beam periodically interrupted at an audio frequency produces sound when made to irradiate an enclosed body of gas L20. optoˈcoupler noun (Electronics) a device containing light-emitting and light-sensitive components, used to couple isolated circuits L20. optoelecˈtronic adjective involving or pertaining to the interconversion or interaction of light and electronic signals M20. optoelecˈtronics noun the study and application of optoelectronic effects M20. optotype noun (Ophthalmology) a letter or figure of definite size used for testing acuteness of vision; a test type: L19. opto- combining form Etymology: Greek optos, verbal of opsesthai to be going to see — more at optic 1. : vision < optometer > 2. : eye < optoblast > < optotype > 3. : optic : optic and < optokinetic > < optocoele > opto- Prefix eye, vision, light Etymology From Ancient Greek ὀπτικός (optikós, “of seeing”). Derived terms ► English words prefixed with opto- See also opt- External links optometry in The Century Dictionary, The Century Co., New York, 1911 opto- at OneLook Dictionary Search
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opto-

Related Words

opto-

Prefix

Etymology

Derived terms

See also

External links