- noun a toxin produced by species of the fungus Aspergillus, especially Aspergillus flavus, which grows on seeds and nuts and affects stored grain
- A toxin produced by certain moulds which grow on stored grains and nuts in tropical areas. The toxin tends to cause low-grade illness and reduced food absorption and growth and is thus not easily noticed unless specially tested for. It is most serious in animal feeds.
- noun a poison produced by some moulds in some crops such as peanuts