| 单词 | biotin |
| 释义 | biotin /buy"euh tin/, n. Biochem. 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. Also called vitamin H. [1935-40; < G Biotin < Gk bioté life + -in -IN2] |
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