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vitamin D2

noun
  1. calciferol.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for vitamin d2

vitamin D2

noun
  1. another name for calciferol
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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
vitamin d2 in Medicine

vitamin D2

n.
  1. A white crystalline compound produced by ultraviolet irradiation of ergosterol.calciferol ergocalciferol
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
vitamin d2 in Science

vitamin D2

  1. A white crystalline sterol produced by ultraviolet irradiation of ergosterol and also occurring naturally in fungi and some fish oils. Vitamin D2 is the form of vitamin D generally used as a dietary supplement. Also called calciferol, ergocalciferol. Chemical formula: C28H44O.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.