Definition of alluvion in English:


Syllabification: al·lu·vi·on
Pronunciation: /əˈlo͞ovēən


The action of the sea or a river in forming new land by deposition. Compare with avulsion.
More example sentences
  • We studied the genesis and properties of soils in alluvial areas known to be reclaimed by the alluvion system about 100 years ago, and compared these soils with natural, adjacent alluvial soils.
  • We concluded that it would be consistent with the doctrines of alluvion and avulsion if ownership of the land in question was not affected by reclamation.


mid 16th century (originally denoting a flood, especially one in which the water carries suspended material that is then deposited): from French, from Latin alluvion-, from ad- 'toward' + luere 'to wash'.

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