illite Hear it!

illite definition

il·lite (ilīt′)

noun

any of a group of micalike clay minerals usually consisting of interlayered muscovite and montmorillonite

Etymology: < Ill(inois) + -ite

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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