alluvion (n.)

  1. gradual formation of new land, by recession of the sea or deposit of sediment

  2. the rising of a body of water and its overflowing onto normally dry land; plains fertilized by annual inundations

    [ Syn: flood , inundation , deluge ]

  3. clay or silt or gravel carried by rushing streams and deposited where the stream slows down

    [ Syn: alluvial sediment , alluvial deposit , alluvium ]

The dictionary is based on the WordNet Electronic Lexical Database.
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