单词 |
st elmo's fire |
释义 |
DictionarySeeSt Elmos fireSt Elmo's fire
St Elmo's fire A discharge of static electricity often seen when an aircraft flies through cumulus or other heavily charged clouds. The potential gradient around the aircraft and the surrounding air increases to an extent that a discharge takes place from sharp points in the form of visible light. Such a discharge is luminous and audible. Also called a corona discharge or a brush discharge.ThesaurusSeeSt. Elmo's fire |
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