trichromatism
noun
tri·chro·ma·tism
(ˌ)trī-ˈkrō-mə-ˌti-zəm 
: color vision based on the perception of three primary colors and especially red, green, and blue
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“Trichromatism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trichromatism. Accessed 19 Jun. 2025.
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trichromatism
noun
tri·chro·ma·tism
(ˈ)trī-ˈkrō-mə-ˌtiz-əm
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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