/ Dictionary / Index I isomorphous: Meaning and Definition of Find definitions for: i•so•mor•phous Pronunciation: (ī"su-môr'fus), [key] — adj. Chem., Crystall. (of a compound or mineral) capable of crystallizing in a form similar to that of another compound or mineral, used esp. of substances so closely related that they form end members of a series of solid solutions. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: isomorphous (Thesaurus) isomorphism isoneph Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language