trichromatism

== English == === Etymology === From tri- +‎ chromatism. === Noun === trichromatism (countable and uncountable, plural trichromatisms) The quality, state, or phenomenon of being trichromatic. Synonym: trichromacy ==== Related terms ==== monochromatism bichromatism dichromatism === References === “trichromatism”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.