illuviation
[ ih-loo-vee-ey-shuhn ]
/ ɪˌlu viˈeɪ ʃən /
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noun
the accumulation in one layer of soil of materials that have been leached out of another layer.
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Origin of illuviation
First recorded in 1925–30; illuvi(al) + -ation
Words nearby illuviation
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for illuviation
illuviation
/ (ɪˌluːvɪˈeɪʃən) /
noun
the process by which a material (illuvium), which includes colloids and mineral salts, is washed down from one layer of soil to a lower layer
Derived forms of illuviation
illuvial, adjectiveWord Origin for illuviation
C20: from Latin illuviēs dirt, mud, from il- + -luviēs, from lavere to wash
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Scientific definitions for illuviation
illuviation
[ ĭ-lōō′vē-ā′shən ]
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.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.