Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun One that interrupts.
  • noun Electronics A device that periodically and automatically opens and closes an electric circuit, producing pulses.

from The Century Dictionary.

  • noun One who or that which interrupts. Also interruptor.
  • noun Specifically— In electricity, any instrument for interrupting an electrical current, as the automatic arrangement used with the induction-coil.
  • noun In milit. engin., an electrical device which forms part of a system of apparatus for determining the velocity of projectiles, used in connection with wire targets and chronographs. The passage of the ball or shell through a target serves to interrupt a closed electrical circuit, and thus release the automatic registering mechanism of the chronograph at the instant of passage. Often a number of targets are used, placed at accurately measured and uniform intervals in the path of the projectile, and the registered data serve as a basis for determining the variation of velocity in different parts of the path.

from the GNU version of the Collaborative International Dictionary of English.

  • noun One who, or that which, interrupts.
  • noun (Elec.) 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.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun One who or that which interrupts.
  • noun A device for opening and closing an electrical circuit.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a device for automatically interrupting an electric current

Etymologies

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Examples

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