/ Dictionary / Index D dichroic: Meaning and Definition of Find definitions for: di•chro•ic Pronunciation: (dī-krō'ik), [key] — adj. characterized by dichroism: dichroic crystal. dichromatic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dichotomy dichroism Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language