Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Of, relating to, or having three colors, as in photography or printing.
  • adjective Having perception of the three primary colors, as in normal human vision.

from The Century Dictionary.

  • Characterized by three colors; in a specific sense, having the three fundamental color-sensations of red, green, and purple, as the normal eye, in distinction from a color-blind eye, which can perceive only two of the fundamental colors.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective (Zoöl.) Having or existing in three different phases of color; having three distinct color varieties; -- said of certain birds and insects.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Involving three colours
  • adjective Having perception in three primary colours

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective having or involving three colors

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

tri- +‎ chromatic

Examples

  • 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.

    Answers.com: Today's Highlights

  • Long ago, before the dinosaurs, our early fish-like ancestors had trichromatic vision (three cone receptors).

    Drunk On Color

  • Even then, it's mostly old-world primates who are trichromatic; for new-world monkeys, only some females (depending on individual inheritance rather than species) are trichromatic.

    Drunk On Color

  • Even then, it's mostly old-world primates who are trichromatic; for new-world monkeys, only some females (depending on individual inheritance rather than species) are trichromatic.

    Archive 2009-05-01

  • Long ago, before the dinosaurs, our early fish-like ancestors had trichromatic vision (three cone receptors).

    Archive 2009-05-01

  • This explains why primates are the only mammals who have trichromatic vision - it is a trait mostly found in birds and reptiles (dinosaur descendents).

    Drunk On Color

  • This explains why primates are the only mammals who have trichromatic vision - it is a trait mostly found in birds and reptiles (dinosaur descendents).

    Archive 2009-05-01

  • People had trichromatic vision, acute aural capacities, a fair sense of smell, the ability to feel textures and taste bitterness.

    Dawkins and ID

  • Not that I bought that conclusion (trichromatic vision is another extremely interesting poke full of NDS Anazi Tales), but it was another fine stone for the soup.

    A Dubious "Opportunity" for IDers

  • Such as the finding that primates apparently traded olfactory receptor genes for trichromatic vision.

    A Dubious "Opportunity" for IDers

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