| 单词 | calciferol |
| 释义 | calciferol[ kal-sif-uh-rawl, -rol ] / kælˈsɪf əˌrɔl, -ˌrɒl / noun Biochemistry.a fat-soluble, crystalline, unsaturated alcohol, C28H43OH, occurring in milk, fish-liver oils, etc., produced by ultraviolet irradiation of ergosterol, and used as a dietary supplement, as in fortified milk. Also called vitamin D2. Origin of calciferolFirst recorded in 1930–35; calcif(erous) + (ergost)erol Words nearby calciferolCalchas, calci-, calcic, calcicole, calcicosis, calciferol, calciferous, calcific, calcification, calcifuge, calcify Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for calciferolcalciferol / (kælˈsɪfərɒl) / nouna 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: C 28 H 43 OHAlso: vitamin D 2 Word Origin for calciferolC20: from calcif (erous + ergost) erol 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 Medical definitions for calciferolcalciferol [ kăl-sĭf′ə-rôl′, -rōl′ ] n.vitamin D2 The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for calciferolcalciferol [ kăl-sĭf′ə-rôl′, -rōl′ ] Any of several sterols that are forms of vitamin D, especially ergocalciferol (vitamin D2) and cholecalciferol (vitamin D3). See more at vitamin D. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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