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brush discharge

noun, Electricity.
a type of corona discharge that takes place between two electrodes at atmospheric pressure, characterized by long, branched, luminous streamers of ionized particles.
Origin of brush discharge
1840-50 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for brush-discharge

brush discharge

a slightly luminous electrical discharge between points of high charge density when the charge density is insufficient to cause a spark or around sharp points on a highly charged conductor because of ionization of air molecules in their vicinity
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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