dichromatism
American
[dahy-kroh-muh-tiz-uhm]
/ daɪˈkroʊ məˌtɪz əm /
noun
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the quality or state of being dichromatic.
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Also called dichromatopsia. Ophthalmology. a defect of vision in which the retina responds to only two of the three primary colors.
Etymology
Origin of dichromatism
First recorded in 1880–85; dichromat(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.
