achromatic

adjective
ach·​ro·​mat·​ic | \ ˌa-krə-ˈma-tik How to pronounce achromatic (audio) , (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 \ ˌa-​krə-​ˈma-​ti-​k(ə-​)lē How to pronounce achromatic (audio) \ adverb
achromatism \ (ˌ)ā-​ˈkrō-​mə-​ˌti-​zəm How to pronounce achromatic (audio) , a-​ \ noun
achromatize \ (ˌ)ā-​ˈkrō-​mə-​ˌtīz How to pronounce achromatic (audio) , 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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The first known use of achromatic was in 1754

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Dictionary Entries Near achromatic

Achromatiaceae

achromatic

achromaticity

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Cite this Entry

“Achromatic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/achromatic. Accessed 17 Aug. 2022.

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More Definitions for achromatic

achromatic

adjective
ach·​ro·​mat·​ic | \ ˌak-rə-ˈmat-ik How to pronounce achromatic (audio) \

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 How to pronounce achromatic (audio) \ adverb

More from Merriam-Webster on achromatic

Thesaurus: All synonyms and antonyms for achromatic

Nglish: Translation of achromatic for Spanish Speakers

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