alluvial

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English

WOTD – 20 June 2009

Etymology

From Latin alluvius (“alluvial”), from alluviō (“an overflowing, inundation”), from alluō (“wash against”). Analyzable as alluvium +‎ -ial

Pronunciation

  • (UK, US) IPA(key): /əˈluː.vi.əl/
  • Audio (AU)(file)

Adjective

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.

Coordinate terms

Derived terms

Related terms

Translations

Noun

alluvial (countable and uncountable, plural alluvials)

  1. (countable) A deposition of sediment over a long period of time by a river; an alluvial layer.
  2. Alluvial soil; specifically, in Australia, gold-bearing alluvial soil.

Usage notes

  • (deposition of sediment): The noun is normally used in the plural by engineers who recover valuable minerals from these layers.

Related terms

Translations

deposition of sediment — see alluvium

See also

French

Pronunciation

Adjective

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

  1. alluvial

Further reading

German

Pronunciation

Adjective

alluvial (strong nominative masculine singular alluvialer, not comparable)

  1. alluvial

Declension

Positive forms of alluvial (uncomparable)
number & gender singular plural
masculine feminine neuter
predicative er ist alluvial sie ist alluvial es ist alluvial sie sind alluvial
strong declension
(without article) 		nominative alluvialer alluviale alluviales alluviale
genitive alluvialen alluvialer alluvialen alluvialer
dative alluvialem alluvialer alluvialem alluvialen
accusative alluvialen alluviale alluviales alluviale
weak declension
(with definite article) 		nominative der alluviale die alluviale das alluviale die alluvialen
genitive des alluvialen der alluvialen des alluvialen der alluvialen
dative dem alluvialen der alluvialen dem alluvialen den alluvialen
accusative den alluvialen die alluviale das alluviale die alluvialen
mixed declension
(with indefinite article) 		nominative ein alluvialer eine alluviale ein alluviales (keine) alluvialen
genitive eines alluvialen einer alluvialen eines alluvialen (keiner) alluvialen
dative einem alluvialen einer alluvialen einem alluvialen (keinen) alluvialen
accusative einen alluvialen eine alluviale ein alluviales (keine) alluvialen
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