flavone

noun Chemistry.

1. a colorless, crystalline, water-insoluble compound, C15H10O2, the parent substance of a group of naturally occurring derivatives some of which have been used as yellow dyes.
2. any derivative of this compound.

noun

1. a crystalline compound occurring in plants. Formula: C 15 H 10 O 2
2. any of a class of yellow plant pigments derived from flavone