英文字典中文字典51ZiDian.com
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manganite 水锰矿 水锰矿 manganite n 1: a black mineral consisting of basic manganese oxide; a source of manganese Manganite \Man"ga*nite\, n.
1. (Min.) One of the oxides of manganese; -- called also {gray manganese ore}. It occurs in brilliant steel-gray or iron-black crystals, also massive. [1913 Webster] 2. (Chem.) A compound of manganese dioxide with a metallic oxide; so called as though derived from the hypothetical manganous acid. [1913 Webster]
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