Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

manganite

noun man·ga·nite \ ˈmaŋ-gə-ˌnīt \

Definition of manganite

1 : a metallic gray to black mineral MnO(OH) that is a hydroxide and minor ore of manganese
2 : any of various unstable salts made by reaction of manganese dioxide with a base

First Known Use of manganite

1827

in the meaning defined at sense 1

See Words from the same year
NEW! Time Traveler

Learn More about manganite

  1. See words that rhyme with manganite Britannica.com: Encyclopedia article about manganite

Seen and Heard

What made you want to look up manganite? Please tell us where you read or heard it (including the quote, if possible).

show hide

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play

Ask the Editors

Word Games