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Definition of St. Elmo's fire
1. Noun. An electrical discharge accompanied by ionization of surrounding atmosphere.
Exact synonyms: Corona, Corona Discharge, Corposant, Electric Glow, Saint Elmo's Fire, Saint Elmo's Light, Saint Ulmo's Fire, Saint Ulmo's Light
Generic synonyms: Arc, Discharge, Electric Arc, Electric Discharge, Spark
Generic synonyms: Arc, Discharge, Electric Arc, Electric Discharge, Spark