illuvium

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illuvium

the material accumulated through soil that has been leached out of another layer of soil
Not to be confused with:
alluvion – overflow; flood
alluvium – a deposit of sand, mud, silt, or gravel formed by flowing
eluvium – a deposit of soil, dust, or rock debris formed by the decomposition of rock
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree

illuvium

(ɪˈluːvɪəm)
n
(Geological Science) geology a material, which includes colloids and mineral salts, that is washed down from one layer of soil to a lower layer
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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