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flavin Line breaks: fla¦vin
Pronunciation: /ˈfleɪvɪn/

Definition of flavin in English:


Any of a group of naturally occurring pigments including riboflavin. They have a tricyclic aromatic molecular structure.
Example sentences
  • Cellular flavins and flavin adenine dinucleotides and mononucleotides exist mostly as cofactors for enzymes involved in oxidation-reduction reactions.
  • Studies performed on cultured mammalian cell lines demonstrate that most of the cell fluorescence arises from reduced pyridine nucleotides, flavins, and lipofuscin.
  • Most studies of UVA and violet-blue light responses have implicated carotenoids and flavins as molecular photoreceptors.


Mid 19th century: from Latin flavus 'yellow' + -in1.

Definition of flavin in:

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Pronunciation: fɔːˈtɪsɪməʊ
(especially as a direction) very loud or loudly