flavonol

[ fley-vuh-nawl, -nol ]
/ ˈfleɪ vəˌnɔl, -ˌnɒl /

noun Chemistry.

the 3-hydroxy derivative of flavone, many of whose derivatives, as quercetin, are naturally occurring yellow dyes.
any derivative of this compound.

Origin of flavonol

First recorded in 1895–1900; flavone + -ol1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for flavonol

flavonol
/ (ˈfleɪvəˌnɒl) /

noun

a flavonoid that occurs in red wine and is said to offer protection against heart disease
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012