/ Dictionary / Index A aflatoxin: Meaning and Definition of Find definitions for: af•la•tox•in Pronunciation: (af"lu-tok'sin), [key] — n. any of various related mycotoxins produced by a species of Aspergillus, commonly A. flavus, found as a contaminant in moldy grains and meals, as in rice and peanut meal, and suspected of causing liver cancer in humans and other animals. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aflatoxin (Thesaurus) aflame AFL-CIO Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language