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A crystalline sterol, C28H43OH, synthesized by yeast from sugars or derived from ergot and converted to vitamin D2 when exposed to ultraviolet radiation.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Botany) a plant sterol that is converted into vitamin D by the action of ultraviolet radiation. Formula: C28H43OH
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
er•gos•ter•ol(ɜrˈgɒs təˌroʊl, -rɔl)
a colorless, crystalline, water-insoluble sterol, C28H43OH, that occurs in ergot and yeast and that, when irradiated with ultraviolet light, is converted to vitamin D.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||ergosterol - a plant sterol that is converted into vitamin D by ultraviolet radiation|
steroid alcohol, sterol - any of a group of natural steroid alcohols derived from plants or animals; they are waxy insoluble substances
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