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trichromatic

[trahy-kroh-mat-ik, -kruh-]
adjective
  1. pertaining to the use or combination of three colors, as in printing or in color photography.
  2. pertaining to, characterized by, or involving three colors.
  3. Ophthalmology. of, relating to, or exhibiting normal color vision.
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Also tri·chro·mic [trahy-kroh-mik] /traɪˈkroʊ mɪk/.

Origin of trichromatic

First recorded in 1890–95; tri- + chromatic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for trichromatic

trichromatic

trichromic (traɪˈkrəʊmɪk)

adjective
  1. photog printing involving the combination of three primary colours in the production of any colour
  2. of, relating to, or having normal colour vision
  3. having or involving three colours
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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

trichromatic in Medicine

trichromatic

(trī′krō-mătĭk)
adj.
  1. Having or relating to the three primary colors, red, blue, and green.
  2. Having perception of the three primary colors, as in normal vision.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.