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dichromatic

American  
[dahy-kroh-mat-ik, -kruh-] / ˌdaɪ kroʊˈmæt ɪk, -krə- /

adjective

  1. Also having or showing two colors; dichromic.

  2. Zoology. exhibiting two color phases within a species not due to age or season.


dichromatic British  
/ daɪˈkrəʊməˌtɪzəm, ˌdaɪkrəʊˈmætɪk /

adjective

  1. Also: dichroic.  having or consisting of only two colours

  2. (of animal species) having two different colour varieties that are independent of sex and age

  3. able to perceive only two (instead of three) primary colours and the mixes of these colours

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • dichromatism noun

Etymology

Origin of dichromatic

First recorded in 1840–50; di- 1 + chromatic

Vocabulary lists containing dichromatic

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

And then you can ask them to match the color they see from the dichromatic eye to colors presented to the normal, trichromatic eye.

From Scientific American • Nov. 1, 2022

And in those cases, sometimes they see more from the dichromatic eye than we expect.

From Scientific American • Nov. 1, 2022

There have been some cases where people have been dichromatic in one eye only.

From Scientific American • Nov. 1, 2022

The ability to break camouflage and better vision under the dim light are accepted as advantages of a dichromatic color vision.

From Slate • Jun. 20, 2016

This shows that the visual power of these people is dichromatic and not trichromatic, as their power is limited to two colours, or pairs of colours, and does not extend to three.

From Old Flies in New Dresses How to Dress Dry Flies with the Wings in the Natural Position and Some New Wet Flies by Walker, Charles Edward