anomalous trichromacy

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A form of colour-blindness in which the proportions of three primary colours (1) that are mixed to match a comparison colour deviate from the normal. Also called anomalous trichromasy, anomalous trichromatism, anomalous trichromatopsia, anomalous trichromopsia. See also Rayleigh equation. Compare anomalous dichromacy. anomalous trichromat n. A person with anomalous trichromacy.

Subjects: Psychology.

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