英语词汇“psilomelane”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	psilomelane
释义	psilomelane /ˌsʌɪlə(ʊ)məˈleɪn/ Mineralogy noun A hard black ore of manganese which consists of a mechanical mixture of manganese oxides and hydroxides, usually also containing barium and other metals. Origin Mid 19th century. From psilo- + ancient Greek μέλαν, neuter of μέλας black, after German Psilomelan, itself apparently after schwarzer Glaskopf.
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psilomelane