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discharge tube

noun, Electronics.
Origin of discharge tube
First recorded in 1895-1900 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for discharge tube
Historical Examples
  • At ten-second intervals, a puff of black dust came from a discharge tube mounted on the rear of each plane.

    The Great Drought Sterner St. Paul Meek
  • The force pump gets its name from the fact that the moving piston drives or forces the water through the discharge tube.

    General Science Bertha M. Clark
British Dictionary definitions for discharge tube

discharge tube

(electronics) an electrical device in which current flow is by electrons and ions in an ionized gas, as in a fluorescent light or neon tube
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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discharge tube in Science
discharge tube  
A closed vessel having electrodes at either end and containing a gas at low pressure. When a sufficient voltage is applied to the electrodes, an electric current flows through the gas. Discharge tubes can be used to prevent current flow below a certain voltage; they can also function as lamps by the use of ionizing gas, which glows when current flows through the tube.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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