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.
Aside from providing light hold, this formula includes biotin to maximize overall body, taking hair from flat to full in seconds. Conçetta Ciarlo, Vogue, 10 June 2025 The formula is powered by a fruit stem cell complex (with apple, grape, and bilberry), vitamin C, biotin, and aloe to boost shine, support hair strength, and add volume. Michelle Rostamian, Allure, 6 June 2025 The shampoo also contains biotin and niacinamide to promote hair strength. Kayla Blanton, People.com, 5 June 2025 Burgers typically include meat with protein, tomatoes, lettuce, and a bun, which Ballantyne explains in the video can be a good source of vitamin K, vitamin C, biotin, and around 3 grams of fiber. Alyce Collins, MSNBC Newsweek, 15 May 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 20 Jun. 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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