a colorless crystalline ketone, CHO, obtained from certain plants or prepared synthetically: it forms a base for some yellow dyes
any derivative of this compound
Origin:
Ger flavon < L flavus, yellow (< IE base *bhlē-wos, used of light colors > blue) + Ger -on, -one
See flavone in American Heritage Dictionary 4
noun
A crystalline compound, C15H10O2, the parent substance of a number of important yellow pigments, occurring on the leaves or in the stems and seed capsules of many primroses.