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smectite

 - 2 dictionary results

smec⋅tite

[smek-tahyt]
–noun Mineralogy.
montmorillonite.

Origin:
1805–15; < Gk smēkt(ós) smeared + -ite 1

mont⋅mo⋅ril⋅lon⋅ite

[mont-muh-ril-uh-nahyt]
–noun
any of a group of clay minerals characterized by the ability to expand when they absorb large quantities of water.
Also called smectite.


Origin:
1850–55; named after Montmorillon, France, where it was found; see -ite 1


mont⋅mo⋅ril⋅lon⋅it⋅ic [mont-muh-ril-uh-nit-ik] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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