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biotin

[bahy-uh-tin] /ˈbaɪ ə tɪn/
noun, Biochemistry
1.
a crystalline, water-soluble vitamin, C 10 H 16 O 3 N 2 S, 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.
Also called vitamin H.
Origin
1935-1940
1935-40; < German Biotin < Greek biotḗ life + -in -in2
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for biotin
  • biotin is also helpful in maintaining a steady blood sugar level.
British Dictionary definitions for biotin

biotin

/ˈbaɪətɪn/
noun
1.
a vitamin of the B complex, abundant in egg yolk and liver, deficiency of which causes dermatitis and loss of hair. Formula: C10H16N2O3S See also avidin
Word Origin
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
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Word Origin and History for biotin
n.

vitamin of the B group (also sometimes called vitamin H) essential for the growth of yeast, 1936, from German Biotin (1936), from Greek biotos "life" (see bio-) + chemical suffix -in (2).

Online Etymology Dictionary, © 2010 Douglas Harper
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biotin in Medicine

biotin bi·o·tin (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.
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biotin in Science
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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