/ Dictionary / Index E endomorphism: Meaning and Definition of Find definitions for: en•do•mor•phism Pronunciation: (en"dō-môr'fiz-um, -du), [key] — n. a change brought about within the mass of an intrusive igneous rock. a homomorphism of a set into itself. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. endomorphic endomyocarditis Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language