washout

[ wosh-out, wawsh- ]
/ ˈwɒʃˌaʊt, ˈwɔʃ- /

noun

a washing out of earth, gravel, etc., by water, as from an embankment or a roadway by heavy rain or by a flash flood.
the hole, break, or erosion produced by such a washing out.
Also wash-out. Aeronautics. a warp in an airfoil that gives a decrease in the angle of attack toward the tip.Compare washin.
Informal. an utter failure.
Informal. a person who has failed a course of training or study: air force washouts.

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Origin of washout

First recorded in 1870–75; noun use of verb phrase wash out
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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