manganite

[ mang-guh-nahyt ]

noun

a gray to black mineral, hydrous manganese oxide, MnO(OH); gray manganese ore.
Chemistry. any of a series of salts containing tetravalent manganese and derived from either of two acids, H4MnO4 or H2MnO3.

Origin of manganite

First recorded in 1820–30; mangan(ese) + -ite¹

Words Nearby manganite

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use manganite in a sentence

manganite, or hydroxide of manganese; is brownish-black or iron-black, powder brown, with somewhat of a metallic lustre.
A Dictionary of Arts, Manufactures and Mines | Andrew Ure
The hydrated form, found native as the mineral manganite, is produced by the spontaneous oxidation of manganous hydroxide.
Encyclopaedia Britannica, 11th Edition, Volume 17, Slice 5 | Various
The sesquioxide is found crystallized in an anhydrous form in braunite, and hydrated in manganite.
Scientific American Supplement, No. 401, September 8, 1883 | Various
The hydrate occurs sometimes in nature as black crystals (manganite).
A System of Instruction in the Practical Use of the Blowpipe | Anonymous
It is a grey stone, full of crystalline needles, like manganite.
Two Years Among the Savages of New Guinea. | W. D. Pitcairn

British Dictionary definitions for manganite

manganite

/ (ˈmæŋɡəˌnaɪt) /

noun

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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