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

First recorded in 1840–50

British Dictionary definitions for brush discharge

brush discharge

noun

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