knife switch

noun Electricity.
  1. a form of air switch in which a moving element, usually a hinged blade, is placed between two contact clips.

Origin of knife switch

First recorded in 1905–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for knife switch

Historical Examples of knife switch

  • Abruptly he reached out and jerked open the knife-switch in the computer's antenna circuit.

    Way of a Rebel

    Walter M. Miller

  • Stepping around a partition that separated the knife-switch from the room in which stood the electric chair, Balcom watched.

    The Master Mystery

    Arthur B. Reeve and John W. Grey


British Dictionary definitions for knife switch

knife switch

noun
  1. an electric switch in which a flat metal blade, hinged at one end, is pushed between fixed contacts
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012