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Longman Dictionary of Contemporary English
backwash
noun
EXAMPLES FROM OTHER ENTRIES
▪ I don't want to be left in the backwash when Gilson realizes the company's going bankrupt.
EXAMPLES FROM CORPUS
▪ A backwash of heated air caressed Jaq's face.
▪ Although most directly affecting secondary schools, this constraint has a backwash effect on primary schools.
▪ But the development of continuing education must eventually have a backwash effect on initial professional education at the undergraduate stage.
▪ Perhaps the most important issue, however, is the possibility of causing curriculum backwash.
▪ Sterling was caught in the backwash of a run against the dollar.
▪ There is a backwash to all this, however: as a stage-show they are less than shadow-puppets on the wall.
The Collaborative International Dictionary
backwash

backwash \back"wash`\, n.

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

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

backwash

backwash \back"wash`\, v. t.

  1. To clean the oil from (wool) after combing.
    --Ash.

  2. (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.

Douglas Harper's Etymology Dictionary
backwash

1876, "motion of a receeding wave," from back (adj.) + wash (n.).

Wiktionary
backwash

n. 1 (context nautical English) The backward flow of water from oars or propeller or breaking waves. 2 The similar flow of air from an aircraft engine. 3 The result or consequence of an event; an aftermath. 4 The saliva, spit or food particles that have flowed back into a drink after someone has drunk from it. vb. To operate a water filter in the reverse direction in order to clean it.

WordNet
backwash
  1. n. the flow of air that is driven backwards by an aircraft propeller [syn: slipstream, airstream, race, wash]

  2. the consequences of an event (especially a catastrophic event); "the aftermath of war"; "in the wake of the accident no one knew how many had been injured" [syn: aftermath, wake]

  3. the wave that spreads behind a boat as it moves forward; "the motorboat's wake capsized the canoe" [syn: wake]

Wikipedia
Backwash (album)

Backwash is a retrospective compilation of music by the group Talulah Gosh.

Backwash

The word Backwash may refer to:

  • Backwash (physical phenomenon), also known as 'swash', the backwards flow of air or water
  • Backwash ileitis, the involvement of the terminal part of the ileum in ulcerative colitis following the ascent of the condition from the rectum
  • Backwash, the process of thoroughly cleaning a pool filter pump by reversing the flow of water through it with the dirt and rinse water going to waste
  • "Backwash" (The Wire), a 2003 episode of the HBO television series The Wire
  • Backwash (album), a retrospective compilation by the group Talulah Gosh
  • Backwash, a 2010 web series starring Joshua Malina, Michael Ian Black, and Michael Panes and featuring many celebrity cameos, distributed via Sony's Crackle
  • Backwash, a type of squeeze play in bridge
Backwash (The Wire)

"Backwash" is the seventh episode of the second season of the HBO original series The Wire. The episode was written by Rafael Alvarez from a story by David Simon & Rafael Alvarez and was directed by Thomas J. Wright. It originally aired on July 13, 2003.

Usage examples of "backwash".

The second use Kamahl had only seen from afar but had been able to piece enough information together to know that the Emperor of the Mer Empire had set off the Mirari for some unknown reason, flooding much of northern Otaria and destroying the Mer capital in the backwash.

I hugged the cliffs just clear of the backwash and ten minutes later the movement became more violent.

The torches blazed back up, as if Sanglant had sucked the flame out of them to fuel his anger, but probably it was only the backwash from the aetherical wind that had driven into the chamber and vanished as abruptly.

In the backwash, a thousand species are carried out to sea, to the chorus of sea gulls vying for tidbits.

Gorgidas felt the backwash of his concentration as he channeled his vision to penetrate semblance and see truth.

The Malazans had built well, each barge carrying broad, solid ramps that neatly joined bow to bow, while the sterns had been designed to fit flush once the backwash guards had been removed.

The backwash of the breaking waves was a broad white road, cut aslant by the hull of the fishing boat.

Well, as to the political situation, I think it is true to say that at the moment we are in the middle of a backwash which is not going to make very much ultimate difference.

Some were barely visible in the bosky grove, at the extreme reach of the backwash from the motor-home headlights, but she thought that there were as many as a dozen altogether, all standing at attention, as though transfixed by woodland music beyond human hearing.

In spite of the stationary eddies or momentary backwashes we observe here and there, its stream moves in a definite direction, ever swelling and broadening.

The disturbances overhead were reflected in currents and backwashes along the bottom which the Hunter could feel but which were quite unable to shift the half-buried mass of metal.

But these calls to what had once been remote, unvisited backwashes were becoming increasingly important.

All of these things are related to the Coriolis, the reeling gyroscopic effect of the earth’s spin that creates wind and flow of weather, the countering backwashes and eddies of storms.

I do not know what you expected to findin Krondor, young sir, but in the backwashes of war many things happen.

His presence seemed to swirl and eddy around me, backwashing against the partitions of my cubicle and rising until it seemed he was behind me, too.