| 单词 | calciferol |
| 释义 | Word Frequency calciferol(kælˈsɪfərɒl) noun a fat-soluble steroid, found esp in fish-liver oils, produced by the action of ultraviolet radiation on ergosterol. It increases the absorption of calcium from the intestine and is used in the treatment of rickets. Formula: C28H43OH Also: vitamin D2Word origin C20: from calcif(erous + ergost)erol |
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