/ Dictionary / Index A autoinfection: Meaning and Definition of Find definitions for: au•to•in•fec•tion Pronunciation: (ô"tō-in-fek'shun), [key] — n. Pathol. reinfection by a pathogen that is already in the body. infection caused by transfer of a pathogen from one part of the body to another. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. autoimmunization autoinoculation Related Content Daily Word Quiz: entomology Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language