argillaceous Hear it!

argillaceous definition

ar·gil·la·ceous (är′jə lā′s̸həs)

adjective

of, like, or containing clay

Etymology: L argillaceus < argilla, clay < Gr < argos, white: see argent

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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