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knife switch

noun, Electricity.
a form of air switch in which a moving element, usually a hinged blade, is placed between two contact clips.
Origin of knife switch
1905-10 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for knife-switch
Historical Examples
  • 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

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
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