/ Dictionary / Index P putrefaction: Meaning and Definition of Find definitions for: pu•tre•fac•tion Pronunciation: (py"tru-fak'shun), [key] — n. the act or process of putrefying; the anaerobic decomposition of organic matter by bacteria and fungi that results in obnoxiously odorous products; rotting. the state of being putrefied; decay. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: putrefaction (Thesaurus) put-put putrefy Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language