Backwash

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Look up backwash in Wiktionary, the free dictionary.

The word Backwash might refer to:

  • Backwash (geography), the water that rolls back down a beach after a wave has broken
  • Backwash (physical phenomenon), the backwards flow of air or water
  • Backwash, the process of thoroughly cleaning a pool filter pump by reversing the flow of water through it with the dirt and rinse water going to waste. See also: Backwashing
  • Backwash (album), a retrospective compilation by the group Talulah Gosh
  • Backwash (saliva), the slang term for saliva that has flowed back into a drink
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