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definitions

mercury switch

noun Electricity.

an especially quiet switch that opens and closes an electric circuit by shifting a vial containing a pool of mercury so as to cover or uncover the contacts.

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Nearby words

  1. mercury chloride,
  2. mercury fulminate,
  3. mercury mass,
  4. mercury poisoning,
  5. mercury program,
  6. mercury-vapor lamp,
  7. mercury-vapour lamp,
  8. mercy,
  9. mercy flight,
  10. mercy killing
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for mercury switch

mercury switch

noun

electrical engineering a switch in which a circuit is completed between two terminals by liquid mercury when the switch is tilted
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