/ Dictionary / Index I introsusception: Meaning and Definition of Find definitions for: in•tro•sus•cep•tion Pronunciation: (in"tru-su-sep'shun), [key] — n. intussusception. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. introspection introversion Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language