sap·​o·​nite ˈsa-pə-ˌnīt How to pronounce saponite (audio)
: a hydrous magnesium aluminum silicate occurring in soft soapy amorphous masses and filling veins and cavities (as in serpentine)

Word History


Swedish saponit, from Latin sapon-, sapo soap

First Known Use

circa 1849, in the meaning defined above

Time Traveler
The first known use of saponite was circa 1849

Dictionary Entries Near saponite

Cite this Entry

“Saponite.” Dictionary, Merriam-Webster, Accessed 15 Jul. 2024.

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