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: a colorless crystalline growth vitamin C10H16N2O3S of the vitamin B complex found especially in yeast, liver, and egg yolk
Examples of biotin in a Sentence
Recent Examples on the Web
One of them, biotin, may be linked to skin, hair, and eye health.
—Nancy Lebrun, Verywell Health, 10 Jan. 2025
Or, try a pro-peptide serum formulated with biotin.
—Lorena Meouchi, Vogue, 27 Dec. 2024
Peptides stimulate the dermal papilla cells in hair follicles to support growth and strengthen hair shafts, while biotin boosts keratin production for thicker, more resilient brow hairs.
—Christa Joanna Lee, Allure, 19 Dec. 2024
Some potential benefits of biotin supplements include: Treating biotin deficiency: Biotin deficiency is a rare condition characterized by low levels of biotin in the body.
—Kirstyn Hill, Pharmd, Mph, Health, 27 Sep. 2024
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Word History
Etymology
International Scientific Vocabulary, from Greek biotos life, sustenance; akin to Greek bios
First Known Use
1936, in the meaning defined above
Dictionary Entries Near biotin
Cite this Entry
“Biotin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biotin. Accessed 22 Jan. 2025.
Kids Definition
biotin
noun
bi·o·tin
ˈbī-ə-tən
: a growth vitamin of the vitamin B complex found especially in yeast, liver, and egg yolk
Medical Definition
biotin
noun
bi·o·tin
ˈbī-ət-ən
: a colorless crystalline growth vitamin C10H16N2O3S of the vitamin B complex found especially in yeast, liver, and egg yolk
called also vitamin H
More from Merriam-Webster on biotin
Britannica.com: Encyclopedia article about biotin
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