vitamin D2

vitamin D2

noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
vitamin D2
another name for calciferol

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

vitamin D2 n.
A white crystalline compound produced by ultraviolet irradiation of ergosterol. Also called calciferol, ergocalciferol.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
vitamin D2  
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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