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

Word History


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.” Dictionary, Merriam-Webster, Accessed 30 Nov. 2023.

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