proust·​ite ˈprü-ˌstīt How to pronounce proustite (audio)
: a mineral that consists of a red sulfide of silver and arsenic and occurs in crystals or massively

Word History


French, from Joseph L. Proust †1826 French chemist

First Known Use

1835, in the meaning defined above

Time Traveler
The first known use of proustite was in 1835

Dictionary Entries Near proustite

Cite this Entry

“Proustite.” Dictionary, Merriam-Webster, Accessed 21 Jul. 2024.

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