FLAVIN
flavin
(noun) a ketone that forms the nucleus of certain natural yellow pigments like riboflavin
Source: WordNet® 3.1
Noun
flavin (plural flavins)
(biochemistry) Any of a class of tricyclic heterocyclic compounds derived from riboflavin; found especially as the adenine dinucleotide (FAD)
Proper noun
Flavin
A surname of southern Irish descent, from the Gaelic Ó Flaithimhín.
Source: Wiktionary
Fla"vin, n. Etym: [L. flavus yellow.] (Chem.)
Definition: A yellow, vegetable dyestuff, resembling quercitron.
Source: Webster’s Unabridged Dictionary 1913 Edition