illuviation Hear it!

illuviation definition

il·lu·via·tion (i lo̵̅o̅′vē ā′s̸hən)

noun

the accumulation in an underlying soil layer of materials, as colloids or soluble salts, that have been leached out of an upper layer

Etymology: see illuvium & -ation

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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