manganite

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noun man·ga·nite \ˈmaŋ-gə-ˌnīt\

Definition of manganite

  1. 1 :  a metallic gray to black mineral MnO(OH) that is a hydroxide and minor ore of manganese

  2. 2 :  any of various unstable salts made by reaction of manganese dioxide with a base

1827

First Known Use of manganite

1827


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