In electrical engineering, a switch is an electrical component that can break an electrical circuit, interrupting the current or diverting it from one conductor to another.

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  1. A device to turn electric current on and off or direct its flow.
  2. A change.
  3. A movable section of railroad track which allows the train to be directed down one of two destination tracks; point.
  4. A slender woody plant stem used as a whip; a thin, flexible rod.
  5. A command line notation allowing specification of optional behavior.
    Use the /b switch to specify black-and-white printing.
  6. A programming construct that takes different actions depending on the value of an expression.
  7. A networking device connecting multiple wires, allowing them to communicate simultaneously, when possible. Compare to the less efficient hub device that solely duplicates network packets to each wire.
  8. A system of specialized relays, computer hardware, or other equipment which allows the interconnection of a calling party's telephone line with any called party's line.
  9. One who is willing to take either a sadistic or a masochistic role.
  10. A separate mass or tress of hair, or of some substance (such as jute) made to resemble hair, formerly worn on the head by women.


  1. To exchange.
  2. To change (something) to the specified state using a switch.
  3. To whip or hit with a switch.
  4. To change places, tasks, etc.
  5. To get angry suddenly; to quickly or unreasonably become enraged.
  6. To swing or whisk.
    to switch a cane
  7. To trim.
    to switch a hedge
  8. To turn from one railway track to another; to transfer by a switch; generally with off, from, etc.
    to switch off a train; to switch a car from one track to another
  9. To shift to another circuit.

The above text is a snippet from Wiktionary: switch
and as such is available under the Creative Commons Attribution/Share-Alike License.

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