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achromat

ach·ro·mat
A a

Transcription

    • US Pronunciation
    • US IPA
    • [ak-ruh-mat]
    • /ˈæk rəˌmæt/
    • US Pronunciation
    • US IPA
    • [ak-ruh-mat]
    • /ˈæk rəˌmæt/

Definitions of achromat word

  • noun achromat a lens designed to bring light of two chosen wavelengths to the same focal point, thus reducing chromatic aberration 3
  • noun achromat a person who has no colour vision at all and can distinguish only black, white, and grey. The condition is very rare 3
  • noun achromat achromatic lens. 1
  • noun achromat A lens that imparts little color; a lens that is achromatic. 1

Information block about the term

Origin of achromat

First appearance:

before 1905
One of the 15% newest English words
First recorded in 1905-10; by shortening

Historical Comparancy

Parts of speech for Achromat

noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation

achromat popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 65% of English native speakers know the meaning and use word.
According to our data about 73% of words is more used. This is a rare but used term. It occurs in the pages of specialized literature and in the speech of educated people.

achromat usage trend in Literature

This diagram is provided by Google Ngram Viewer

Top questions with achromat

  • what is achromat?

See also

Matching words

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