/af'leuh tok"sin/ , 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.
[ 1960-65; A ( spergillus ) fla ( vus ) (species name; see ASPERGILLUS, FLAVO-) + TOXIN ]