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illuvial

[ih-loo-vee-uh l, ih-loov-yuh l] /ɪˈlu vi əl, ɪˈluv yəl/
adjective
1.
of or relating to illuviation or illuvium.
Origin
1920-1925
1920-25; < Latin illuvi(ēs) mud, flood, literally, what washes or is washed in (il- il-1 + -luv-, combining form of lavere to wash + -iēs noun suffix) + -al1; see alluvial
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for illuvial
  • Point counting pores and illuvial clay in thin section.

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