trichromatic

UK: /ˌtraɪkrəʊˈmætɪk/ US: (trī′krō mat′ik, -krə-)

WordReference Random House Unabridged Dictionary of American English © 2025

tri•chro•mat•ic  (trī′krō mat′ik, -krə-), adj. 

1. pertaining to the use or combination of three colors, as in printing or in color photography.
2. pertaining to, characterized by, or involving three colors.
3. [Ophthalm.] of, pertaining to, or exhibiting normal color vision.

Also, tri•chro•mic (trī krō′mik).

• tri- + chromatic 1890–95

Collins Concise English Dictionary © HarperCollins Publishers::

trichromatic / ˌtraɪkrəʊˈmætɪk/, trichromic / traɪˈkrəʊmɪk/ adjective

1. involving the combination of three primary colours in the production of any colour
2. of, relating to, or having normal colour vision
3. having or involving three colours