backsiphonage

listen to the pronunciation of backsiphonage
Английский Язык - Английский Язык
The flowing back of used, contaminated, or polluted water from a plumbing fixture or vessel or other source into a potable water supply pipe due to negative pressure in such pipes (2)
The reversal of the normal direction of flow due to atmospheric pressure
the backflow of contaminated or polluted water, from a plumbing fixture or cross-connection into a water supply line, due to a lowering of the pressure in the line
The reversal of normal flow in a system caused by a vacuum or partial vacuum in the water system
A form of backflow caused by a negative or below atmospheric pressure within a water system Also see backflow and cross-connection
Reverse seepage of water in a distribution system
A liquid substance that is carried over a higher point It is the method by which the liquid substance may be forced by excess pressure over or into a higher point