[ur-gos-tuh-rohl, -rawl] /ɜrˈgɒs təˌroʊl, -rɔl/
a colorless, crystalline, water-insoluble , C 28 H 43 OH, that occurs in ergot and yeast and that, when irradiated with ultraviolet light, is converted to vitamin D.
a plant sterol that is converted into vitamin D by the action of ultraviolet radiation. Formula: C28H43OH
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.
[ur-guh-tin] /ˈɜr gə tɪn/ noun, Pharmacology. 1. any of various extracts of used in medicine.
[ur-guh-treyt] /ˈɜr gəˌtreɪt/ Pharmacology, Trademark. 1. a brand of .
[Chinese œr-gyn hœ] /Chinese ˈœrˈgün ˈhœ/ noun 1. Pinyin. .
[air-hahrt; German er-hahrt] /ˈɛər hɑrt; German ˈɛr hɑrt/ noun 1. Ludwig, 1897–1977, West German economist and government official: chancellor 1963–66. /German ˈeːrhart/ noun 1. Ludwig (ˈluːtvɪç). 1897–1977, German statesman: chief architect of the Wirtschaftswunder (“economic miracle”) of West Germany’s recovery after World War II; chancellor (1963–66)