St. Elmo's fire meaning

UK US

St. Elmo's fire (noun): an electrical discharge accompanied by ionization of surrounding atmosphere.

Definition of St. Elmo's fire

  1. an electrical discharge accompanied by ionization of surrounding atmosphere

    Synonyms: corona discharge, corona, corposant, Saint Elmo's fire, Saint Elmo's light, Saint Ulmo's fire, Saint Ulmo's light, electric glow

    Type of: discharge

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