[1] : The Collaborative International Dictionary of English v.0.48

backwash \back"wash`\, v. t.
   1. to clean the oil from wool after combing. --ash.
      1913 webster

   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.
      pjc

[2] : The Collaborative International Dictionary of English v.0.48

backwash \back"wash`\, n.
   1. the flow of water propelled backward by the propeller,
      paddle wheel, or oars of a boat.
      pjc

   2. aeron. the backward flowing air within the wash of an
      airplane, caused mostly by the engine.
      pjc

[3] : WordNet (r) 2.0

backwash
     n 1: 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
see also:
slipstream airstream race wash aftermath wake 

[4] : Moby Thesaurus II by Grady Ward, 1.0

49 moby thesaurus words for "backwash":
   charybdis, maelstrom, back stream, backcountry, backflow, backlash,
   backwater, backwoods, boondocks, bush, clout, condensation trail,
   contrail, countercurrent, counterflow, counterflux, eddy, exhaust,
   force, gulf, gurge, hinterland, impact, impress, impression,
   imprint, maelstrom, mark, print, reaction, recoil, reflex,
   refluence, reflux, regurgitation, repercussion, response, sticks,
   stream, swirl, track, twirl, up-country, vapor trail, vortex, wake,
   wash, whirl, whirlpool

Backwash >> B Words
Backwash, definition of term: Backwash
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