/ Dictionary / Index A autointoxication: Meaning and Definition of Find definitions for: au•to•in•tox•i•ca•tion Pronunciation: (ô"tō-in-tok"su-kā'shun), [key] — n. Pathol. poisoning with toxic substances formed within the body, as during intestinal digestion. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. autoinoculation autoionization Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language