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eluvium

[ih-loo-vee-uh m]
noun, plural e·lu·vi·a [ih-loo-vee-uh] /ɪˈlu vi ə/. Geology.
  1. a deposit of soil, dust, etc., formed from the decomposition of rock and found in its place of origin.
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Origin of eluvium

1880–85; formed on the model of alluvium from Latin ēluere (of water) to wash out (soil, etc.); see elute
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for eluvium

eluvium

noun plural -via (-vɪə)
  1. a mass of sand, silt, etc: a product of the erosion of rocks that has remained in its place of origin
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Derived Formseluvial, adjective

Word Origin

C19: New Latin, from Latin ēluere to wash out
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
eluvium in Science

eluvium

[ĭ-lōō′vē-əm]
  1. Residual deposits of soil, dust, and sand produced by the action of the wind.
  2. Residual deposits of soil, dust, and rock particles produced by the in-situ decomposition and disintegration of rock.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.