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alluvium

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noun al·lu·vi·um \-vē-əm\

Definition of alluvium

plural al·lu·vi·ums or -via \-vē-ə\

  1. :  clay, silt, sand, gravel, or similar detrital material deposited by running water



Origin of alluvium

Medieval Latin, alteration of Latin alluvio


First Known Use: circa 1656

Rhymes with alluvium


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