单词 | alluvium |
释义 | alluvium[ uh-loo-vee-uhm ] / əˈlu vi əm / SEE SYNONYMS FOR alluvium ON THESAURUS.COM noun, plural al·lu·vi·ums, al·lu·vi·a [uh-loo-vee-uh]. /əˈlu vi ə/.a deposit of sand, mud, etc., formed by flowing water. the sedimentary matter deposited thus within recent times, especially in the valleys of large rivers. Origin of alluvium1655–65; <Latin, noun use of neuter of alluvius washed against, equivalent to alluv- (see alluvion) + -ius, -ium adj. suffix; see -ium Words nearby alluviumalluvial, alluvial fan, alluvial mining, alluvial plain, alluvion, alluvium, all very well, all-weather, all well and good, all wet, all-wheel drive Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for alluviumBritish Dictionary definitions for alluviumalluvium / (əˈluːvɪəm) / noun plural -viums or -via (-vɪə)a fine-grained fertile soil consisting of mud, silt, and sand deposited by flowing water on flood plains, in river beds, and in estuaries Word Origin for alluviumC17: from Latin; see alluvion Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for alluviumalluvium [ ə-lōō′vē-əm ] Plural alluviums alluviaSand, silt, clay, gravel, or other matter deposited by flowing water, as in a riverbed, floodplain, delta, or alluvial fan. Alluvium is generally considered a young deposit in terms of geologic time. Other words from alluviumalluvial adjectiveThe American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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