brush discharge

noun

Electricity.

1. a type of corona discharge that takes place between two electrodes at atmospheric pressure, characterized by long, branched, luminous streamers of ionized particles.

brush discharge

noun

1. 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

Word History and Origins

Origin of brush discharge¹

First recorded in 1840–50