Backwash

4 definitions found

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

  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]

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

  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]

From WordNet (r) 2.0 [wn]:

  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}]

From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:

  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