Definition of alluvion in English:

alluvion

noun

Law
  • [mass noun] The action of the sea or a river in adding to the area of land by deposition.

    Compare with avulsion
    • ‘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.’
    • ‘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.’

Origin

Mid 16th century (originally denoting a flood, especially one carrying suspended material which is then deposited): from French, from Latin alluvio(n-), from ad- towards + luere to wash.

Pronunciation

alluvion

/əˈl(j)uːvɪən/