WordReference Random House Unabridged Dictionary of American English © 2026
back′flow valve′. 
  1. Building, HydraulicsSee backwater valve. 

'backflow valve' also found in these entries (note: many are not synonyms or translations):

Forum discussions with the word(s) "backflow valve" in the title:


Look up "backflow valve" at Merriam-Webster
Look up "backflow valve" at dictionary.com
  • Go to Preferences page and choose from different actions for taps or mouse clicks.

In other languages: Spanish | French | Italian | Portuguese | Romanian | German | Dutch | Swedish | Russian | Polish | Czech | Greek | Turkish | Chinese | Japanese | Korean | Arabic

Advertisements
Advertisements
Report an inappropriate ad.
WordReference.com
WORD OF THE DAY
GET THE DAILY EMAIL!