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glow discharge

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noun Physics.
  1. the conduction of electricity in a low-pressure gas, producing a diffuse glow.
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Origin of glow discharge

First recorded in 1835–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for glow discharge

glow discharge

noun
  1. a silent luminous discharge of electricity through a low-pressure gas
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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