• synonyms


[uh-loo-vee-uh n]
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  1. Law. a gradual increase of land on a shore or a river bank by the action of water, whether from natural or artificial causes.
  2. overflow; flood.
  3. Now Rare. alluvium.
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Origin of alluvion

1530–40; < Latin alluviōn- (stem of alluviō an overflowing), equivalent to al- al- + -luv-, base of -luere, combining form of lavere to wash) + -iōn- -ion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for alluvion

deluge, downpour, inundation, cascade, cataclysm, gush, overflow, torrent, Niagara

Examples from the Web for alluvion

Historical Examples of alluvion

British Dictionary definitions for alluvion


    1. the wash of the sea or of a river
    2. an overflow or flood
    3. matter deposited as sediment; alluvium
  1. law the gradual formation of new land, as by the recession of the sea or deposit of sediment on a riverbed
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Word Origin for alluvion

C16: from Latin alluviō an overflowing, from luere to wash
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