BACKWASH • DICCIONARIO INGLES.COM • Definition of Backwash

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/bˈækwˌɑʃ/ Listen

verb

backwash v. t.

To clean the oil from (wool) after combing.

(Chem.) To clean (a filter, a chromatography column, a water softener, etc.) by passing liquid through in the reverse of the normal direction of flow. This procedure dislodges particles which clog the pores of the filter or column packing, removing them from the filter or column.

noun

backwash n.

The flow of water propelled backward by the propeller, paddle wheel, or oars of a boat.

(Aeron.) The backward flowing air within the wash of an airplane, caused mostly by the engine.

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Etymology of 'Backwash'

Collaborative International Dictionary of English 0.48

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"Backwash" Quotes from Famous Books

... the yard with his three satellites twenty minutes later, the backwash of the crowd still eddied and swirled about ...

— Boy Woodburn - A Story of the Sussex Downs • Alfred Ollivant

... the social injustice of the whole world is hinted in that space; the upside-downness of creation, right prostrate, wrong triumphant,—a mad, crazy world. The incident of the murdered Swede is just part of the backwash of it all, but it is an illuminating fragment. The Swede was slain, not by the gambler whose knife pierced his thick hide: he was the victim of a condition for which he was no more to blame than the man who stabbed him. Stephen ...

— Men, Women, and Boats • Stephen Crane