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Meaning of alluvium

al•lu•vi•um

Pronunciation: (u-l'vē-um), [key]
— pl. -vi•ums, -vi•a
  1. a deposit of sand, mud, etc., formed by flowing water.
  2. the sedimentary matter deposited thus within recent times, esp. in the valleys of large rivers.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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