Corona Discharge Definition

noun
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.
American Heritage
Synonyms:
  • Saint Ulmo's light
  • electric glow
  • Saint Ulmo's fire
  • Saint Elmo's light
  • Saint Elmo's fire
  • St. Elmo's fire
  • corposant
  • corona

Other Word Forms of Corona Discharge

Noun

Singular:
corona discharge
Plural:
corona discharges

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