follow Dictionary.com

Submit your word to be a Word of the Day!

dichromatism

[dahy-kroh-muh-tiz-uh m] /daɪˈkroʊ məˌtɪz əm/
noun
1.
the quality or state of being dichromatic.
2.
Also called dichromatopsia
[dahy-kroh-muh-top-see-uh] /daɪˌkroʊ məˈtɒp si ə/ (Show IPA)
. 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
1880-1885
1880-85; dichromat(ic) + -ism
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
dichromatism in Medicine

dichromatism di·chro·ma·tism (dī-krō'mə-tĭz'əm)
n.

  1. The state of being dichromatic.

  2. A form of colorblindness in which only two of the three fundamental colors can be distinguished due to a lack of one of the retinal cone pigments. Also called dichromatopsia, dyschromatopsia, parachromatopsia.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Difficulty index for dichromatism

Few English speakers likely know this word

Word Value for dichromatism

22
0
Scrabble Words With Friends