alunite

noun

al·​u·​nite ˈal-yə-ˌnīt How to pronounce alunite (audio)
ˈa-lə-
: a mineral that consists of a hydrous potassium aluminum sulfate and occurs in massive form or in rhombohedral crystals

Word History

Etymology

French, from alun alum

First Known Use

1821, in the meaning defined above

Time Traveler
The first known use of alunite was in 1821

Dictionary Entries Near alunite

Cite this Entry

“Alunite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alunite. Accessed 23 Nov. 2024.

More from Merriam-Webster on alunite

Love words? Need even more definitions?

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