alluvium

American  

[uh-loo-vee-uhm] / əˈlu vi əm /

noun

plural

alluviums, alluvia

1. a deposit of sand, mud, etc., formed by flowing water.

2. the sedimentary matter deposited thus within recent times, especially in the valleys of large rivers.

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alluvium British  

/ əˈluːvɪəm /

noun

1. a fine-grained fertile soil consisting of mud, silt, and sand deposited by flowing water on flood plains, in river beds, and in estuaries

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alluvium Scientific  

/ ə-lo̅o̅′vē-əm /

plural

alluviums

1. Sand, silt, clay, gravel, or other matter deposited by flowing water, as in a riverbed, floodplain, delta, or alluvial fan. Alluvium is generally considered a young deposit in terms of geologic time.

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Etymology

Origin of alluvium

1655–65; < Latin, noun use of neuter of alluvius washed against, equivalent to alluv- ( see alluvion) + -ius, -ium adj. suffix; see -ium

Example Sentences

“Nature-based solutions are a great option, because they’re a softer option and less intrusive,” said Leslie Duncan, senior Aboriginal consultant with Alluvium Consulting and CEO of Economic Participation of Indigenous Communities in Australia.

From Los Angeles Times • Mar. 25, 2023

Cones of ashes and scori�; L. Lava-sheets; A. Alluvium of the Vale of Clermont and Lake deposits.

From Volcanoes: Past and Present by Hull, Edward

Flint Implements of antique Type in older Alluvium.

From The Antiquity of Man by Lyell, Charles, Sir

Flint Implements of antique Type in older Alluvium.

From The Antiquity of Man by Lyell, Charles, Sir

The Alluvium was distinguished from Diluvium by the fact that its mammalian fossils were representatives of still living forms, but it is a matter of great difficulty to separate these two divisions in practice.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 7 "Drama" to "Dublin" by Various

Related Words

• clay
• coast
• dirt
• dust
• gravel
• land
• mud
• sand
• shore
• surface
• terrain
• turf