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manganite |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: 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. 2. (Chem.) A compound of manganese dioxide with a metallic oxide; so called as though derived from the hypothetical manganous acid. From WordNet r 1.6 [wn]: manganite n : a black mineral consisting of basic manganese oxide; a source of manganese
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