: any of a class of yellow water-soluble nitrogenous pigments derived from isoalloxazine and occurring in the form of nucleotides as coenzymes of flavoproteins
especially
: riboflavin
Examples of flavin in a Sentence
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In bright light, by contrast, both flavin molecules were photoreduced, and very quickly.
—
Virat Markandeya, Smithsonian Magazine, 8 Mar. 2023
Under moonlight conditions, only one of the two flavins was photoreduced, the scientists found.
—Virat Markandeya, Smithsonian Magazine, 8 Mar. 2023
The sensitivity of each flavin to light is very different.
—Virat Markandeya, Smithsonian Magazine, 8 Mar. 2023
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Virat Markandeya, Smithsonian Magazine, 8 Mar. 2023
Under moonlight conditions, only one of the two flavins was photoreduced, the scientists found.
—Virat Markandeya, Smithsonian Magazine, 8 Mar. 2023
The sensitivity of each flavin to light is very different.
—Virat Markandeya, Smithsonian Magazine, 8 Mar. 2023
Cite this Entry
“Flavin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flavin. Accessed 9 Mar. 2025.
Copy CitationMedical Definition
flavin
noun
fla·vin
ˈflā-vən 
: any of a class of yellow water-soluble nitrogenous pigments derived from isoalloxazine and occurring in the form of nucleotides as coenzymes of flavoproteins
especially
: riboflavin
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