man·​ga·​nite ˈmaŋ-gə-ˌnīt How to pronounce manganite (audio)
: a metallic gray to black mineral MnO(OH) that is a hydroxide and minor ore of manganese
: any of various unstable salts made by reaction of manganese dioxide with a base

Word History

First Known Use

1827, in the meaning defined at sense 1

Time Traveler
The first known use of manganite was in 1827

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Cite this Entry

“Manganite.” Dictionary, Merriam-Webster, Accessed 18 Apr. 2024.

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