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Corona Discharge (Noun)

An electrical discharge accompanied by ionization of surrounding atmosphere.

Nouns denoting natural phenomena.

A high-voltage electrical transmission line can produce a visible corona discharge on a foggy night.
The scientist studied the corona discharge phenomenon that occurred when a high-voltage electrode was brought close to a metal surface.
The corona discharge around the sharp edge of a metal object can cause interference with nearby electronic equipment.
In order to reduce radio-frequency interference, electrical engineers often use corona discharge suppression techniques on high-voltage power lines.
The spectacular corona discharge that occurred during the thunderstorm was visible from several miles away and was accompanied by a loud hissing noise.