biotin

noun

bi·​o·​tin ˈbī-ə-tən How to pronounce biotin (audio)
: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Key Ingredients: Aloe leaf juice, biotin, jojoba oil Best For: Adding moisture to dry, frizzy curls and coils. Arden Fanning Andrews, Vogue, 4 Mar. 2025 Enter biotin, the beauty world’s not-so-secret weapon. Maria Correa, Miami Herald, 3 Mar. 2025 Nutrient deficiencies: Not getting enough iron, zinc, biotin, and protein can negatively affect your hair. Kelly Burch Published, Verywell Health, 25 Feb. 2025 Eggs also have the vitamin biotin and brain-boosting choline. Regina C. Windsor, Mph, Rdn, Verywell Health, 28 Feb. 2025 See All Example Sentences for biotin

Word History

Etymology

International Scientific Vocabulary, from Greek biotos life, sustenance; akin to Greek bios

First Known Use

1936, in the meaning defined above

Time Traveler
The first known use of biotin was in 1936

Browse Nearby Words

Cite this Entry

“Biotin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biotin. Accessed 18 Mar. 2025.

Kids Definition

biotin

noun
bi·​o·​tin ˈbī-ə-tən How to pronounce biotin (audio)
: 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 How to pronounce biotin (audio)
: 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

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