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.


  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

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