alluvial

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English[edit]

Etymology[edit]

From Latin alluvius (alluvial), from alluviō (an overflowing, inundation), from alluō (wash against).

Pronunciation[edit]

Adjective[edit]

alluvial (not comparable)

  1. Pertaining to the soil deposited by a stream.
    • 1992, Anna K. Behrensmeyer & Robert W. Hook, "Paleoenvironmental Contexts and Taphonomic Modes" in, Terrestrial Ecosystems through Time, page 35.
      Soils are a prominent feature of floodplain environments, and we include them in this section because most of the available information on ancient soils pertains to alluvial examples, aside from those in Quaternary-Recent time.

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Noun[edit]

alluvial (plural alluvials)

  1. A deposition of sediment over a long period of time by a river; an alluvial layer.

Usage notes[edit]

  • The noun is normally used in the plural by engineers who recover valuable minerals from these layers.

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French[edit]

Adjective[edit]

alluvial m (feminine alluviale, masculine plural alluviaux, feminine plural alluviales)

  1. alluvial