outwash

American  

[aut-wosh, -wawsh] / ˈaʊtˌwɒʃ, -ˌwɔʃ /

noun

Geology.

1. the material, chiefly sand or gravel, deposited by meltwater streams in front of a glacier.

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outwash British  

/ ˈaʊtˌwɒʃ /

noun

1. a mass of gravel, sand, etc, carried and deposited by the water derived from melting glaciers

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Etymology

Origin of outwash

First recorded in 1890–95; out- + wash

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Example Sentences

See Examples For:

outwash

The main reason for this was something called outwash.

From BBC ● Mar. 16, 2022

The sediments that became moldavites represent a time when sea level was low, and sand, gravel and clay were being distributed in vast outwash fans where mountain streams emptied onto the plains.

From Scientific American ● Aug. 9, 2019

“It’s pretty much statewide, it’s scattered around, but worse in places where you have well-drained, rocky, glacial outwash soils, and it’s worse in young trees with less-developed root systems.”

From Seattle Times ● Aug. 6, 2016

Depending on its velocity, this water is able to move sediments of various sizes and most of that material is washed out of the lower end of the glacier and deposited as outwash sediments.

From Textbooks ● Jan. 1, 2015

Thus arose the type of stratified drift variously known as overwash plains, outwash plains, morainic plains, and morainic aprons.

From The Geography of the Region about Devils Lake and the Dalles of the Wisconsin by Wallace W. Atwood

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