biotin

[bahy-uh-tin]
noun Biochemistry.
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:
1935–40; < German Biotin < Greek biotḗ life + -in -in2

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World English Dictionary
biotin (ˈbaɪətɪn)
 
n
See also avidin a vitamin of the B complex, abundant in egg yolk and liver, deficiency of which causes dermatitis and loss of hair. Formula: C10H16N2O3S
 
[C20: biot- from Greek biotē life, way of life + -in]

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Etymonline
Word Origin & History

biotin
1936, from Ger. Biotin (1936), from Gk. biotos "life" (see bio-) + chemical suffix -in (-ine).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

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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American Heritage
Science Dictionary
biotin   (bī'ə-tĭn)  Pronunciation Key 
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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Example sentences for biotin
Biotin is also helpful in maintaining a steady blood sugar level.
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