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Definition of "Corona" |
The discharge of electricity from a conductor with a high potential. A luminous discharge due to ionization of the air surrounding a conductor caused by a voltage gradient exceeding a certain critical value, called the partial discharge (Corona) Inception Voltage (CIV). / The rarefied gaseous envelope of the sun and other stars. The sun's corona is normally visible only during a total solar eclipse, when it is seen as an irregularly shaped pearly glow surrounding the darkened disc of the moon. / a visible glow discharge which emanates from high-voltage conductors in regions of extremely high electric field intensity. |
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