英和和英

語源

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

発音

• (英国発音, 米国発音) IPA: /əˈluː.vi.əl/

形容詞

alluvial (not comparable)

1. Pertaining to the soil deposited by a stream.
   • 1914, Ernest Bramah, Max Carrados:

     I am a working engineer from the Mount Magdalena district of Coolgardie. I don't want to take up your time with outside details so I will only say that about two years ago I had an opportunity of acquiring a share in a very promising claim—gold, you understand, both reef and alluvial.

   • 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.

等位語

派生語

関連する語

名詞

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.

使用する際の注意点

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

関連する語

• alluvium

参考

• deltaic