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ergosterol

[ur-gos-tuh-rohl, -rawl] /ɜrˈgɒs təˌroʊl, -rɔl/
noun, Biochemistry
1.
a colorless, crystalline, water-insoluble sterol, C 28 H 43 OH, that occurs in ergot and yeast and that, when irradiated with ultraviolet light, is converted to vitamin D.
Origin of ergosterol
1885-1890
1885-90; ergo-2 + sterol
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Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for ergosterol

ergosterol

/ɜːˈɡɒstəˌrɒl/
noun
1.
a plant sterol that is converted into vitamin D by the action of ultraviolet radiation. Formula: C28H43OH
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
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ergosterol in Medicine

ergosterol er·gos·ter·ol (ûr-gŏs'tə-rôl', -rōl')
n.
A crystalline sterol synthesized by yeast from sugars or derived from ergot and converted to vitamin D2 when exposed to ultraviolet radiation.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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