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| il·lu·vi·um [ i lvee əm ] (plural il·lu·vi·ums or il·lu·vi·a [ i lvee ə ]) |
noun |
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| Definition: |
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material deposited by illuviation: colloids, salts, or other material washed out from an upper to a lower layer of soil
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| [Early 20th century. < modern Latin<-luvium (as in alluvium)] |
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