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 (flā′vĭn) also fla·vine (-vēn′)
Any of various molecules, including riboflavin, found in plant and animal tissue as coenzymes of flavoproteins. They are variously yellow, red, blue, or colorless depending on the oxidation state.


(ˈfleɪvɪn) or


1. (Elements & Compounds) a heterocyclic ketone that forms the nucleus of certain natural yellow pigments, such as riboflavin. Formula: C10H6N4O2. See flavoprotein
2. (Dyeing) any yellow pigment based on flavin
3. (Elements & Compounds) another name for quercetin
[C19: from Latin flāvus yellow]


(ˈfleɪ vɪn)

any of a group of yellow nitrogen-containing pigments, as riboflavin, that function as coenzymes.
[< German Flavine (1933) < Latin flāv(us) yellow + German -ine -in1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.flavin - a ketone that forms the nucleus of certain natural yellow pigments like riboflavin
ketone - any of a class of organic compounds having a carbonyl group linked to a carbon atom in each of two hydrocarbon radicals
hepatoflavin, lactoflavin, ovoflavin, riboflavin, vitamin B2, vitamin G - a B vitamin that prevents skin lesions and weight loss


[ˈfleɪvɪn] Nflavina f
References in periodicals archive ?
Because I was of a sufficiently younger generation than the Minimalists to resent their invasion, my coming to terms with their work in light of, especially Russian, Constructivist tradition, makes useful testimony now in respect to these early Flavins.
The abstract sculptor Dan Flavin (1933-1996), one of the original Minimalists, is well known for his reliefs and installations consisting of fluorescent lamps emitting white or 'high colour' light.
Quantification of these 3 flavins in plasma and erythrocytes is essential for studying vitamin [B.