knife switch


noun Electricity.

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

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Origin of knife switch

First recorded in 1905–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for knife switch

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

    Way of a Rebel|Walter M. Miller

British Dictionary definitions for knife switch

knife switch

noun

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