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eluviation

[ih-loo-vee-ey-shuh n]
noun
  1. the movement through the soil of materials brought into suspension or dissolved by the action of water.
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Origin of eluviation

First recorded in 1925–30; eluviate + -ion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for eluviation

eluviation

noun
  1. the process by which material suspended in water is removed from one layer of soil to another by the action of rainfall or chemical decomposition
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Word Origin

C20: from eluvium
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

eluviation in Science

eluviation

[ĭ-lōō′vē-āshən]
  1. The lateral or downward movement of the suspended material in soil through the percolation of water. Eluviation differs from leaching in that it affects suspended, not dissolved, material and usually results only in the movement of the material from one soil horizon to another.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.