Of, relating to, or having three colors, as in photography or printing.(adjective)
Having perception of the three primary colors, as in normal vision: trichromatic vision; a trichromatic individual. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "trichromatic" in a sentence
"In addition, while we base our 'trichromatic' color combinations on red, blue, and green, bees base their colors on UV, blue, and green a much richer type of light."
"Long ago, before the dinosaurs, our early fish-like ancestors had trichromatic vision (three cone receptors)."
"This explains why primates are the only mammals who have trichromatic vision - it is a trait mostly found in birds and reptiles (dinosaur descendents)."