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单词 biotin
释义

WordReference Random House Unabridged Dictionary of American English © 2024
bi•o•tin  (bī′ə tin),USA pronunciation n. [Biochem.]
  1. Biochemistrya 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. Also called vitamin H. 
  • Greek bioté̄ life + -in -in2
  • German Biotin
  • 1935–40

Collins Concise English Dictionary © HarperCollins Publishers::
biotin /ˈbaɪətɪn/ n
  1. a vitamin of the B complex, abundant in egg yolk and liver, deficiency of which causes dermatitis and loss of hair. Formula: C10H16N2O3S
Etymology: 20th Century: biot- from Greek biotē life, way of life + -in
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更新时间：2024/11/11 11:01:39