Noun
One who, or that which, interrupts.
A device for opening and closing an electrical circuit; a vibrating spring or tuning fork, arranged to make and break a circuit at rapidly recurring intervals, by the action of the current itself.
Source: Webster's dictionaryThe drive current pulses applied to the primary are modulated at an audio rate by a solid state "interrupter" circuit, causing the arc discharge from the high voltage terminal to emit sounds. Source: Internet
This initiated a phase of consideration of the interrupter gear concept in the Imperial German Army Air Service ( Luftstreitkräfte ). Source: Internet