ergo sterol


[ur-gos-tuh-rohl, -rawl]
noun Biochemistry.
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.

1885–90; ergo-2 + sterol Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
ergosterol (ɜːˈɡɒstəˌrɒl)
a plant sterol that is converted into vitamin D by the action of ultraviolet radiation. Formula: C28H43OH

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

ergosterol er·gos·ter·ol (ûr-gŏs'tə-rôl', -rōl')
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
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