/ Dictionary / Index D dichroism: Meaning and Definition of Find definitions for: di•chro•ism Pronunciation: (dī'krō-iz"um), [key] — n. pleochroism of a uniaxial crystal such that it exhibits two different colors when viewed from two different directions under transmitted light. the exhibition of essentially different colors by certain solutions in different degrees of dilution or concentration. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dichroism (Thesaurus) dichroic dichroite 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