ˈflāˌvōn, ˈflaˌ-, ̷ ̷ˈ ̷ ̷ noun
( -s )
Etymology: International Scientific Vocabulary flav- + -one; originally formed as German flavon
: a colorless crystalline ketone C 15 H 10 O 2 found as a dust on the leaves, stems, and seed capsules of many primroses, and also prepared synthetically; 2-phenyl-chromone ; also : any of the derivatives of this ketone many of which (as chrysin) occur as yellow plant pigments often in the form of glycosides (as apiin) — compare flavanone , isoflavone