/ Dictionary / Index A automorphic: Meaning and Definition of Find definitions for: au•to•mor•phic Pronunciation: (ô"tu-môr'fik), [key] — adj. Petrog. idiomorphic (def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. automobile insurance automorphism Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language