alluvium
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alluvium
a deposit of sand, mud, silt, or gravel formed by flowing
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree
al·lu·vi·um
(ə-lo͞o′vē-əm)n. pl. al·lu·vi·ums or al·lu·vi·a (-vē-ə)
Sediment deposited by flowing water, as in a riverbed, flood plain, or delta. Also called alluvion.
[Medieval Latin, flood, from neuter of Latin alluvius, alluvial, from alluere, to wash against; see alluvion.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
alluvium
(əˈluːvɪəm)n, pl -viums or -via (-vɪə)
(Geological Science) a fine-grained fertile soil consisting of mud, silt, and sand deposited by flowing water on flood plains, in river beds, and in estuaries
[C17: from Latin; see alluvion]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
al•lu•vi•um
(əˈlu vi əm)n., pl. -vi•ums, -vi•a (-vi ə)
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.
[1655–65; < Latin, n. use of neuter of alluvius washed against]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
al·lu·vi·um
(ə-lo͞o′vē-əm) Sand, silt, mud, or other matter deposited by flowing water, as in a riverbed, floodplain, or delta.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Noun | 1. | ![]() delta - a low triangular area of alluvial deposits where a river divides before entering a larger body of water; "the Mississippi River delta"; "the Nile delta" placer - an alluvial deposit that contains particles of some valuable mineral alluvial soil - a fine-grained fertile soil deposited by water flowing over flood plains or in river beds |
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