backwash Definition

slipstream, airstream, wash, aftermath, wake, race, flush, rinse, scrubber, washing, scrubbing, cleaning, lavage, laundry, washout, handwashing, water, effluent, sewage, filtration, filter, filtrate, wastewater, whirlpool, outfall, vortex, effluence, spume, clarifiers, bilge, cesspool, undertow, eddies, maelstrom, clarifier, drains, guck, soakaway, flocculant, cesspit, flushing, tidal wave, sullage, ordure, effluvium, narcosis, nitrogen narcosis, chlorinated, flotsam, muck, reservior, bubbler, plughole, bilge pump, underdrain, influent, rainwater, underflow, silt, ebb tide, activated sludge, sludge, sluiceway, sump, torrent, blowback, dregs, soapsuds, jetter, vacuum, foulness, flumes, flushers, froth, tide, dishwater, whitecap, riptide, watercourse, spindrift, spillage, estuarial, lagoon, backflow, dunder, bluebottles, aeration, rills, currents, upflow, sink, seabound, bewash, inlet, retching, recirculation, quagmire, putrescence, vomitus, neap tide,