trichromatic

[ trahy-kroh-mat-ik, -kruh- ]
/ ˌtraɪ kroʊˈmæt ɪk, -krə- /

adjective

pertaining to the use or combination of three colors, as in printing or in color photography.
pertaining to, characterized by, or involving three colors.
Ophthalmology. of, relating to, or exhibiting normal color vision.
Also tri·chro·mic [trahy-kroh-mik] /traɪˈkroʊ mɪk/.

Origin of trichromatic

First recorded in 1890–95; tri- + chromatic

British Dictionary definitions for trichromatic

trichromatic

trichromic (traɪˈkrəʊmɪk)

/ (ˌtraɪkrəʊˈmætɪk) /

adjective

photog printing involving the combination of three primary colours in the production of any colour
of, relating to, or having normal colour vision
having or involving three colours

Medical definitions for trichromatic

trichromatic
[ trī′krō-mătĭk ]

adj.

Having or relating to the three primary colors, red, blue, and green.
Having perception of the three primary colors, as in normal vision.