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clay mineral

any of a group of hydrous aluminum silicate minerals, as kaolinite, illite, and montmorillonite, that constitute the major portion of most clays.
Origin of clay mineral
1945-50 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for clay mineral
  • The mud is made from a variety of materials such as the clay mineral bentonite.
  • clay mineral colloids play important roles in the adsorption of polar organic contaminants in the environment.
  • Say, for example, that you determine there are both chlorophyll absorptions and clay mineral absorptions in a spectrum.
British Dictionary definitions for clay mineral

clay mineral

any of a group of minerals consisting of hydrated aluminium silicates: the major constituents of clays
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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