blowback
/ (ˈbləʊˌbæk) /
noun
the escape to the rear of gases formed during the firing of a weapon or in a boiler, internal-combustion engine, etc
the action of a light automatic weapon in which the expanding gases of the propellant force back the bolt, thus reloading the weapon
Words nearby blowback
blow-dryer,
blow-hard,
blow-in,
blow-molded,
blow-out fracture,
blowback,
blowball,
blowdown,
blowed,
blower,
blowfish