illuviation[i lo̵̅o̅′vē ā′s̸hən]
illuviation definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
the accumulation in an underlying soil layer of materials, as colloids or soluble salts, that have been leached out of an upper layer
Origin: see illuvium and amp; -ation
illuviation definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The deposition in an underlying soil layer of colloids, soluble salts, and mineral particles leached out of an overlying soil layer.
Origin: illuvial, resulting from illuviation (in-2 + -luvial, relating to the action of flowing water as in alluvial) + -ation.
illuviation - Science Definition
The deposition of colloids, soluble salts, and suspended mineral particles in a lower soil horizon through the process of eluviation (downward movement) from an upper soil horizon.