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 (trī′krō-măt′ĭk) also tri·chrome (trī′krōm′) or tri·chro·mic (trī-krō′mĭk)
1. Of, relating to, or having three colors, as in photography or printing.
2. Having perception of the three primary colors, as in normal human vision: trichromatic vision; a trichromatic individual.

tri·chro′ma·cy (trī-krō′mə-sē), tri·chro′ma·tism (-tĭz′əm) n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.trichromacy - the normal ability to see colorstrichromacy - the normal ability to see colors  
visual modality, visual sense, vision, sight - the ability to see; the visual faculty
References in periodicals archive ?
Under this model, the color information is separated in three color layers (red, green and blue), in concordance with the trichromatic theory of human colour perception (Colman, 2014), and the luminance of each one of these layers is expressed as an alphanumeric value.
This trichromatic theory of vision assumes that people inherit a separate gene for each of the three photopigments.