ˈflavəˌnōn, ˈflāv- noun
( -s )
Etymology: International Scientific Vocabulary flav- + -ane + -one
: a colorless crystalline ketone C 15 H 12 O 2 ; 2,3-dihydro-flavone ; also : any of the derivatives of this ketone many of which (as eriodictyol) occur in plants often in the form of glycosides (as hesperidin)