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Noun: backwash  'bak,wósh
  1. The flow of air that is driven backwards by an aircraft propeller
    - slipstream, airstream, race, wash
  2. The consequences of an event (especially a catastrophic event)
    "the backwash of war";
    - aftermath, wake
  3. The wave that spreads behind a boat as it moves forward
    "the motorboat's backwash capsized the canoe";
    - wake

Derived forms: backwashes

Type of: consequence, effect, event, flow, issue, moving ridge, outcome, result, upshot, wave

Encyclopedia: Backwash