biotin

noun

bi·​o·​tin ˈbī-ə-tən 

: 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

The hair serum contains a mighty blend of ingredients, such as keratin, biotin, marine collagen and seaweed extract. —Maya Gandara, StyleCaster, 10 July 2024

Yuzu extract, plum oil, B vitamins, squalane, niacinamide, biotin Size: 150 ml / 5 oz. —Kiana Murden, Vogue, 10 July 2024

The rice water formula contains additional stimulating ingredients such as caffeine, biotin, castor oil and rosemary oil, which help promote stronger hair follicles and reduce excess shedding across the scalp. —Maya Gandara, StyleCaster, 25 June 2024

Onions are a nutrient-dense vegetable and various types contain protein and vitamins and minerals such as magnesium, phosphorous, zinc, niacin, thiamin, vitamin A and biotin. —Daryl Austin, USA TODAY, 19 June 2024

Word History

Etymology

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

First Known Use

1936, in the meaning defined above

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