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biotin
[ bahy-uh-tin ]
/ ˈbaɪ ə tɪn /
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noun Biochemistry.
a crystalline, water-soluble vitamin, C10H16O3N2S, of the vitamin B complex, that is present in all living cells and functions as a growth factor and as a catalyst in carboxylation reactions.
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Also called vitamin H.
Origin of biotin
Words nearby biotin
bioterrorism, biotherapy, biotic, biotic factor, biotic potential, biotin, biotinide, biotite, biotope, biotoxicology, biotoxin
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for biotin
biotin
/ (ˈbaɪətɪn) /
noun
a vitamin of the B complex, abundant in egg yolk and liver, deficiency of which causes dermatitis and loss of hair. Formula: C 10 H 16 N 2 O 3 SSee also avidin
Word Origin for biotin
C20: biot- from Greek biotē life, way of life + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for biotin
biotin
[ bī′ə-tĭn ]
n.
A colorless crystalline vitamin of the vitamin B complex, essential for the activity of many enzyme systems and found in large quantities in liver, egg yolk, milk, and yeast.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for biotin
biotin
[ bī′ə-tĭn ]
A water-soluble organic acid belonging to the vitamin B complex that is important in the metabolism of carbohydrates and fatty acids. It is also a cofactor for some coenzymes that catalyze the synthesis of organic acids in the body. Biotin is found in liver, egg yolks, milk, yeast, and some vegetables. Chemical formula: C10H16N2O3S.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.