Definition of biotin
: a colorless crystalline growth vitamin C10H16N2O3S of the vitamin B complex found especially in yeast, liver, and egg yolk
From the M-W Editors
Origin and Etymology of biotin
International Scientific Vocabulary, from Greek biotos life, sustenance; akin to Greek bios
First Known Use: 1936
Medical Dictionary
biotin
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noun
bi·o·tin
\ˈbī-ət-ən\
Medical Definition of biotin
: a colorless crystalline growth vitamin C10H16N2O3S of the vitamin B complex found especially in yeast, liver, and egg yolk—called also vitamin H
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Britannica.com: Encyclopedia article about biotin
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