Pronunciation: ˌ ī -s ō - ' fl ā - ˌ v ō n
Function: noun
Date: 1926
: a bioactive ketone C 15 H 10 O 2 noted for its numerous derivatives that are found in plants (as the soybean) and have antioxidant and estrogenic activity also : any of these derivatives (as daidzein or genistein)