/ Dictionary / Index T trichromatic: Meaning and Definition of Find definitions for: tri•chro•mat•ic Pronunciation: (trī"krō-mat'ik, -kru-), [key] — adj. pertaining to the use or combination of three colors, as in printing or in color photography. pertaining to, characterized by, or involving three colors. of, pertaining to, or exhibiting normal color vision. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: trichromatic (Thesaurus) trichroism trichromatism Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language