trichromatism

noun tri·chro·ma·tism \ (ˌ)trī-ˈkrō-mə-ˌti-zəm \

Definition of trichromatism

: color vision based on the perception of three primary colors and especially red, green, and blue

First Known Use of trichromatism

circa 1895

in the meaning defined above

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Medical Dictionary

trichromatism

noun tri·chro·ma·tism \ (ˈ)trī-ˈkrō-mə-ˌtiz-əm \

medical Definition of trichromatism

1 : the quality or state of being trichromatic
2 : color vision based on the perception of three primary colors and especially red, green and blue — compare deuteranomaly, protanomaly

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