[ UK /bˈækflə‍ʊ/ ]
  1. a flow that returns toward its source
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How To Use backflow In A Sentence

  • Backflow is an undesirable reversal of normal flow, created by back pressure or back syphonage within a potable water system.
  • Incorrectly installed systems can waste water and care must be taken not to contaminate mains water supplies through backflow.
  • The reverse flow of electricity or "backflow" can injure an unsuspecting utility worker.
  • Discharge tubes will be extended through the walls, and valves and gates will be installed to stop water from backflowing through the pumps, as happened during Hurricane Katrina. New Orleans Saints Central
  • If the disorder is allowed to progress, the continued backflow of bile will cause parenchymal cell destruction.
  • However, it is also near an area of the northern Gulf where a "backflow" pushes west towards the western Louisiana and upper-Texas coastlines. The Daily News - News
  • The backflow preventer must be installed upstream of the regulator.
  • Building codes may also require anti-siphon or backflow devices, so surface water won't be pulled back into water lines and residential plumbing.
  • Joe the Plumber, who found his name repeated again and again by Barack Obama and John McCain during one of the 2008 presidential debates, has somehow bubbled up, like some kind of backflow, into the debate over Proposition B, the ballot measure to bring commonsense standards to large-scale dog breeding operations in the largest of the puppy mill states. Wayne Pacelle: Playing Politics with Puppy Mill Abuse
  • Make sure to install a drain and backflow preventer.
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