backflow

[bak-floh]

noun

a flow of a liquid opposite to the usual or desired direction.

Nearby words

  1. backfist,
  2. backfit,
  3. backflap hinge,
  4. backflash,
  5. backflip,
  6. backgammon,
  7. background,
  8. background extinction,
  9. background music,
  10. background processing

Origin of backflow

First recorded in 1880–85; back2 + flow

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019