/ Dictionary / Index A allomorphism: Meaning and Definition of Find definitions for: al•lo•mor•phism Pronunciation: (al"u-môr'fiz-um), [key] — n. Chem. variability in crystalline form without change in chemical constitution. Cf. paramorphism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. allomorph all on 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