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backwash
(redirected from backwashed)

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
back·wash  (bkwsh, -wôsh)
n.
1.
a. A backward flow of water, as from the action of oars.
b. See backrush.
2. A backward flow of air, as from the propeller of an aircraft.
3. A result of an event; an aftermath.

backwash [ˈbækˌwɒʃ]
n
1. (Earth Sciences / Physical Geography) a sucking movement of water, such as that of retreating waves Compare swash
2. (Transport / Nautical Terms) water washed backwards by the motion of oars or other propelling devices
3. (Engineering / Aeronautics) the backward flow of air set up by an aircraft's engines
4. a condition resulting from a previous event; repercussion
vb
(Clothing, Personal Arts & Crafts / Textiles) (tr) to remove oil from (combed wool)

An even layer of water that moves along the sea floor from the beach through the surf zone and caused by the pile-up of water on the beach from incoming breakers.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.backwashbackwash - the flow of air that is driven backwards by an aircraft propeller
flow - any uninterrupted stream or discharge
2.backwashbackwash - 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"
consequence, effect, result, upshot, outcome, event, issue - a phenomenon that follows and is caused by some previous phenomenon; "the magnetic effect was greater when the rod was lengthwise"; "his decision had depressing consequences for business"; "he acted very wise after the event"
3.backwashbackwash - the wave that spreads behind a boat as it moves forward; "the motorboat's wake capsized the canoe"
moving ridge, wave - one of a series of ridges that moves across the surface of a liquid (especially across a large body of water)
Translations
backwash [ˈbækwɒʃ] N
1. (Naut) → agua f de rechazo
2. (fig) → reacción f, repercusiones fpl
backwash [ˈbækwɒʃ] n (= repercussions) → contrecoup m
in the backwash of sth → à la suite de qch
backwash [ˈbækˌwɒʃ] n (of waves) → risacca; (of ship, aircraft) → risucchio (fig) (repercussions) → strascico, ripercussione f
backwash [ˈbækˌwɒʃ] n (of waves) → risacca; (of ship, aircraft) → risucchio (fig) (repercussions) → strascico, ripercussione f


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? Mentioned in ? References in periodicals archive
 
Backwashed water may also be used for irrigation purposes, but Jeanette Smith, manager of standards at NPSI, advises checking with local health departments for any disposal restrictions.
With pressure diatomite earth filters, for example, when backwashed, the operator might assume that when the sight glass is clear, the filter elements are clean.
When saltwater pools are drained or when their filters are backwashed, they put a salty waste into the sewer system.
 
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