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

Keep scrolling for more

Learn More about manganite

Statistics for manganite

Look-up Popularity

Time Traveler for manganite

The first known use of manganite was in 1827

See more words from the same year

More from Merriam-Webster on manganite

See words that rhyme with manganite

Britannica.com: Encyclopedia article about manganite

Comments on manganite

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

WORD OF THE DAY

to reject or criticize sharply

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

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