Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

autunite

noun
au·​tun·​ite | \ ō-ˈtə-ˌnīt How to pronounce autunite (audio) , ˈȯ-tə- How to pronounce autunite (audio) \

Definition of autunite

: a radioactive usually lemon-yellow calcium phosphate mineral that occurs in tabular crystals and in scales and that is an ore of uranium

First Known Use of autunite

circa 1852, in the meaning defined above

History and Etymology for autunite

Autun, town in France

Keep scrolling for more

Learn More about autunite

Statistics for autunite

Look-up Popularity

Time Traveler for autunite

The first known use of autunite was circa 1852

See more words from the same year

More from Merriam-Webster on autunite

Britannica.com: Encyclopedia article about autunite

Comments on autunite

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

Show Comments  Hide Comments 

WORD OF THE DAY

resurrection

Listen to the pronounciation of resurrection

an act or instance of returning to life

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Latin Quiz

  • roman forum
  • Which of the following months comes from a Latin word for “ten”?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

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!

Words at Play
Ask the Editors
Word Games