Thesaurus: manganite

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1. n. One of the oxides of manganese; -- called also gray manganese ore. It occurs in brilliant steel-gray or iron-black crystals, also massive.
2. n. A compound of manganese dioxide with a metallic oxide; so called as though derived from the hypothetical manganous acid.
3. n. a black mineral consisting of basic manganese oxide; a source of manganese
4. 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.
5. One of the oxides of manganese; -- called also gray manganeseore. It occurs in brilliant steel-gray or iron-black crystals, alsomassive.
6. n a black mineral consisting of basic manganese oxide; a source of manganese