antisiphon en · ADJ
Etymology
From anti- + siphon.
Meanings
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(not-comparable) Preventing the siphoning of fluid.
Because an antisiphon device has no role to play in these guns, they do not inspire modification, though their cylinders too can cause accidents.
2007 October 5, Michael Parrish, “Paintball Accident Made Him a Widower, and Then a Crusader”, in New York Times: