manganite

[mang-guh-nahyt]

noun

1. a gray to black mineral, hydrous manganese oxide, MnO(OH); gray manganese ore.

2. Chemistry.,  any of a series of salts containing tetravalent manganese and derived from either of two acids, H 4 MnO 4 or H 2 MnO 3 .

manganite

/ ˈmæŋɡəˌnaɪt /

noun

1. a blackish mineral consisting of basic manganese oxide in monoclinic crystalline form: a source of manganese. Formula: MnO(OH)

Word History and Origins

Origin of manganite¹

First recorded in 1820–30; mangan(ese) + -ite ¹

Example Sentences

The researchers manipulated a steel gray mineral called manganite, used to build magnetic hard discs in computers.

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Its ores occur abundantly in nature as the minerals pyrolusite, manganite, etc.

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