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St. Elmo's fire

[el-mohz]
noun
  1. corona discharge.
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Origin of St. Elmo's fire

named after St. Elmo (died a.d. 303), patron saint of sailors
Also called St. Elmo's light, St. Ulmo's fire, St. Ulmo's light.

St. Ulmo's fire

[uhl-mohz]
noun
  1. St. Elmo's fire.
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Also called St. Ulmo's light.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018