单词 | picromerite |
释义 | picromeriteMineralogy noun A mineral that is a sulphate of magnesium and potassium, K2Mg(SO4)2·6H2O, crystallizing in the monoclinic system and usually occurring as colourless or white masses and crusts. OriginMid 19th century; earliest use found in Henry Watts (1815–1884), chemist. From picro- + ancient Greek μεριδ-, μερίς part, after Italian Picromeride. |
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