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An upper atmospheric optical phenomenon associated with thunderstorms, a rapidly expanding disk-shaped region of luminosity, lasting less than a thousandth of a second, which occurs high above energetic cloud-to-ground lightning of positive or negative polarity.
Definition source: English Wiktionary via Wiktextract
Topics: astronomy, climatology, meteorology, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
atmospheric discharges (lasting 10 msec) bursting from the tops of giant storm clouds in blue cones that widen as they flash upward
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: jet, reverse lightning
Antonyms: none provided
Broader terms: atmospheric electricity
No etymology was provided for this word.
Across languages
Translations
3 source translations are retained for this English entry.
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Finnish:
viuhkasalama
— optical phenomenon
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French:
jet bleu
— optical phenomenon
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Irish:
scaird ghorm
— optical phenomenon
