backwash

/ˈbækwɑʃ/

/ˈbækwɒʃ/

Other forms: backwashes

Definitions of backwash

1. noun

   the wave that spreads behind a boat as it moves forward
   synonyms: wake

   type of:

   moving ridge, wave

   one of a series of ridges that moves across the surface of a liquid (especially across a large body of water)
2. noun

   the flow of air that is driven backwards by an aircraft propeller
   synonyms: airstream, race, slipstream, wash

   type of:

   flow

   any uninterrupted stream or discharge
3. noun

   the consequences of an event (especially a catastrophic event)
   synonyms: aftermath, wake

   type of:

   consequence, effect, event, issue, outcome, result, upshot

   a phenomenon that follows and is caused by some previous phenomenon