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outwash
out·wash O0171350 (out′wŏsh′, -wôsh′)n. Sediment deposited by streams flowing away from a melting glacier.outwash (ˈaʊtˌwɒʃ) n (Physical Geography) a mass of gravel, sand, etc, carried and deposited by the water derived from melting glaciersout•wash (ˈaʊtˌwɒʃ, -ˌwɔʃ) n. material, chiefly sand or gravel, deposited by meltwater streams in front of a glacier. [1890–95] Translationsoutwash
outwash[′au̇t‚wäsh] (geology) Sand and gravel transported away from a glacier by streams of meltwater and either deposited as a floodplain along a preexisting valley bottom or broadcast over a preexisting plain in a form similar to an alluvial fan. Also known as glacial outwash; outwash drift; overwash. Soil material washed down a hillside by rainwater and deposited on more gently sloping land. |