/ Dictionary / Index D dimorph: Meaning and Definition of Find definitions for: di•morph Pronunciation: (dī'môrf), [key] — n. Crystall. either of the two forms assumed by a mineral or other chemical substance exhibiting dimorphism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dimmer dimorphism Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language