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An electrical discharge characterized by a corona and occurring when one of two conducting surfaces (such as electrodes) in a gas is shaped such that it concentrates the electric field at its tip and ionizes the surrounding air.
(General Physics) an electrical discharge appearing on and around the surface of a charged conductor, caused by ionization of the surrounding gas. Also called: corona See also Saint Elmo's fire
a discharge, frequently luminous, at the surface of a conductor or between two conductors of the same transmission line, accompanied by ionization of the surrounding atmosphere and often by a power loss.
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|Noun||1.||corona discharge - an electrical discharge accompanied by ionization of surrounding atmosphere|
corposant, electric glow, Saint Elmo's fire, Saint Elmo's light, Saint Ulmo's fire, Saint Ulmo's light, St. Elmo's fire, corona