au·​tun·​ite ō-ˈtə-ˌnīt How to pronounce autunite (audio) ˈȯ-tə- How to pronounce autunite (audio)
: a radioactive usually lemon-yellow calcium phosphate mineral that occurs in tabular crystals and in scales and that is an ore of uranium

Word History


Autun (town in Saône-et-Loire, France, near which the mineral was found) + -ite entry 1

First Known Use

circa 1852, in the meaning defined above

Time Traveler
The first known use of autunite was circa 1852

Dictionary Entries Near autunite

Cite this Entry

“Autunite.” Dictionary, Merriam-Webster, Accessed 14 Apr. 2024.

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