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montmorillonite

[mont-muh-ril-uh-nahyt] /ˌmɒnt məˈrɪl əˌnaɪt/
noun
1.
any of a group of clay minerals characterized by the ability to expand when they absorb large quantities of water.
Also called smectite.
Origin of montmorillonite
1850-1855
1850-55; named after Montmorillon, France, where it was found; see -ite1
Related forms
montmorillonitic
[mont-muh-ril-uh-nit-ik] /ˌmɒnt məˌrɪl əˈnɪt ɪk/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for montmorillonite

montmorillonite

/ˌmɒntməˈrɪləˌnaɪt/
noun
1.
a clay mineral consisting of hydrated aluminium silicate: an important component of bentonite
Word Origin
C19: named after Montmorillon, French town where it was first found, + -ite1
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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