achromatic

adjective
ach·ro·mat·ic | \ˌa-krə-ˈma-tik, (ˌ)ā-\

Definition of achromatic 

1 : refracting light without dispersing it into its constituent colors : giving images practically free from extraneous colors an achromatic telescope

2 : not readily colored by the usual staining agents

3 : possessing no hue : being or involving black, gray, or white : neutral achromatic visual sensations

4 : being without accidentals or modulation : diatonic

Other Words from achromatic

achromatically \-ti-k(ə-)lē \ adverb
achromatism \(ˌ)ā-ˈkrō-mə-ˌti-zəm, a- \ noun
achromatize \(ˌ)ā-ˈkrō-mə-ˌtīz, a- \ transitive verb

First Known Use of achromatic

1754, in the meaning defined at sense 1

History and Etymology for achromatic

a- entry 2 + Greek chrōmat-, chrôma "color" + -ic entry 1 (or borrowed directly from Greek chrōmatikós chromatic entry 1, formed with the same elements)

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Last Updated

21 Aug 2018

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The first known use of achromatic was in 1754

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More Definitions for achromatic

achromatic

adjective
ach·ro·mat·ic | \ˌak-rə-ˈmat-ik \

Medical Definition of achromatic 

1 : refracting light without dispersing it into its constituent colors : giving images practically free from extraneous colors an achromatic telescope

2 : not readily colored by the usual staining agents

3 : possessing or involving no hue : being or involving only black, gray, or white achromatic visual sensations achromatic light stimuli

Other Words from achromatic

achromatically \-i-k(ə-)lē \ adverb

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