/ Dictionary / Index I isomorph: Meaning and Definition of Find definitions for: i•so•morph Pronunciation: (ī'su-môrf"), [key] — n. an organism that is isomorphic with another or others. an isomorphous substance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. isometry isomorphic Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language