The Collaborative International Dictionary
Siphonage
Siphonage \Si"phon*age\, n. The action of a siphon.
Wiktionary
siphonage
n. The action of a siphon.
Usage examples of "siphonage".
It was necessary, too, with this new style of tank to increase the diameter of the flush pipe in order to induce siphonage in the closet.