/ Dictionary / Index T trichroic: Meaning and Definition of Find definitions for: tri•chro•ic Pronunciation: (trī-krō'ik), [key] — adj. Crystall. manifesting trichroism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. trichotomy property trichroism 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