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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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(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]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(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]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


[ˈfleɪvɪn] Nflavina f
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
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