Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “optical”

See all translations

optical

adjective [not gradable]  /ˈɑp·tɪ·kəl/ us  
connected with the eyes or sight, or connected with or using light: an optical telescope
Translations of “optical”
in Chinese (Traditional) 光學的, 視覺的, 視力的…
in Russian оптический…
in Turkish görme ve ışıkla ilgili…
in Chinese (Simplified) 光学的, 视觉的, 视力的…
in Polish optyczny…
(Definition of optical from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of optical?
Add Cambridge dictionaries to your browser to your website

More American English definitions for “optical”

Definitions of “optical” in other dictionaries

Word of the Day

pup

a baby of particular animals, or a puppy

Word of the Day

I won’t tolerate it! Replacing formal words with phrasal verbs.

by Liz Walter,
April 01, 2015
When you are using a language, it is important to understand if a word is formal or informal, so that you can use it in an appropriate way. You might hear people saying dosh for money, or spud for potato, but they wouldn’t write those words in a formal essay. Similarly, a

Read More 

stackin’ p

March 30, 2015
idiom slang earning a lot of money ‘That’s a very generous present.”Yeah, well, she’s stackin’ p, innit?’

Read More