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saponite

[ sap-uh-nahyt ]
/ ˈsæp əˌnaɪt /
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noun
a clay mineral, hydrous magnesium aluminum silicate, belonging to the montmorillonite group: found as a soft filling in rock cavities.
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Origin of saponite

1840–50; <Swedish saponit<Latin sāpōn- (stem of sāpō) soap + Swedish -it-ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use saponite in a sentence

  • It is built of blue-grey saponite, a local stone easy to work, varied with marble from the island of Almenningen.

British Dictionary definitions for saponite

saponite
/ (ˈsæpəˌnaɪt) /

noun
a clay mineral consisting of hydrated magnesium aluminium silicate and occurring in metamorphic rocks such as serpentine

Word Origin for saponite

C19: from Swedish saponit (a rendering of German Seifenstein soapstone), from Latin sāpō soap
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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