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  • noun

Synonyms for corona

the outermost region of the sun's atmosphere

(botany) the trumpet-shaped or cup-shaped outgrowth of the corolla of a daffodil or narcissus flower

one or more circles of light seen around a luminous object

(anatomy) any structure that resembles a crown in shape

a long cigar with blunt ends

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References in periodicals archive ?
Corona discharges in oil were investigated under sinusoidal test voltage using needle/plane electrode system immersed in oil.
The study presented in this paper focuses on corona discharge in different insulating oils.
When the contamination is exposed to moisture, an electrolytic film can develop, leading to corona discharges, surface deterioration, dry band arcing and eventually to flashover.
Electrical stress results primarily from corona discharge (when the voltage gradient exceeds critical value), leakage current from the line and arcing or flashover discharge from the line to the support structure.
The corona discharges have been used industrially for many years to treat polymeric films, fibers, and flat objects.