syphonic

Every time the wave rolled in it tended to float my foot out of the niche it was lodged in, and every time it receded it tried to suck me with it, with a syphonic action.

In The Frame Francis, Dick 1976

Another of its functions is to supply air when syphonic action starts, thereby stopping the action that would break the seal of the trap under fixtures.

Elements of Plumbing Samuel Edward Dibble

Traps that will hold their seal against all practical forms of syphonic action, or other threatening features, have been made and used and serve the purpose for which they are intended.

Elements of Plumbing Samuel Edward Dibble

This hole is to break any syphonic action that may occur at any time.

Elements of Plumbing Samuel Edward Dibble