out·​wash | \ ˈau̇t-ˌwȯsh How to pronounce outwash (audio) , -ˌwäsh \

Definition of outwash

: detritus consisting chiefly of gravel and sand carried by running water from the melting ice of a glacier and laid down in stratified deposits

Examples of outwash in a Sentence

Recent Examples on the Web Geologic studies quickly determined that the town’s location on an outwash delta built of fine sediments was inherently unstable and was continuing to slide seaward. Nancy Lord, Anchorage Daily News, 16 Oct. 2021 But there are several other paths by which iron(II) makes its way to the oceans, including rivers, hydrothermal vents, volcanoes and glacial outwash plains like the one where Kaplan found his sample in Patagonia. Emily Underwood, Smithsonian Magazine, 6 Jan. 2020 The boardwalk at the base of the hill has been covered by the geyser's outwash. Drew Broach, NOLA.com, 28 Apr. 2018 Fascist movements could first reach full development only in the outwash from those two tidal waves. Robert O. Paxton, Slate Magazine, 6 Apr. 2017 Although short, this flight provided an opportunity to get a bird’s-eye view of the spectacular glacial-outwash sediment dispersal systems in the region. Brian Romans, WIRED, 8 July 2009

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'outwash.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of outwash

1805, in the meaning defined above

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The first known use of outwash was in 1805

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outwash cone

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Cite this Entry

“Outwash.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/outwash. Accessed 22 May. 2022.

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More from Merriam-Webster on outwash

Britannica.com: Encyclopedia article about outwash


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