dichromatism

[ dahy-kroh-muh-tiz-uhm ]

noun
  1. the quality or state of being dichromatic.

  2. Also called di·chro·ma·top·si·a [dahy-kroh-muh-top-see-uh]. /daɪˌkroʊ məˈtɒp si ə/. Ophthalmology. a defect of vision in which the retina responds to only two of the three primary colors.: Compare monochromatism (def. 2), trichromatism (def. 3).

Origin of dichromatism

1
First recorded in 1880–85; dichromat(ic) + -ism

Words Nearby dichromatism

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use dichromatism in a sentence

  • The two sexes are alike, the two color phases being individual and representing dichromatism.

    What Bird is That? | Frank M. Chapman