trichromatism
American
[trahy-kroh-muh-tiz-uhm]
/ traɪˈkroʊ məˌtɪz əm /
noun
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the quality or condition of being trichromatic.
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the use or combination of three colors, as in printing or photography.
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Ophthalmology. normal color vision.
Etymology
Origin of trichromatism
First recorded in 1885–90; trichromat(ic) + -ism
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.