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trichromatism

n. normal color vision: the capacity to distinguish the three primary color systems of light–dark, red–green, and blue–yellow, attributable to the presence of all three types of photopigment. Also called trichromatopsia. See also achromatism; dichromatism; monochromatism.

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Psychology term of the day

May 8th 2024

alcoholic

alcoholic

n. a person who is dependent on alcohol, that is, who regularly drinks to the point of intoxication despite negative consequences. See also alcohol dependence.