transient luminous event

== English == === Noun === transient luminous event (plural transient luminous events) (astronomy, meteorology, aviation) Any of a variety of upper atmospheric optical phenomena associated with thunderstorms. Alternative form: TLE (initialism) Hypernyms: event < phenomenon Hyponyms: blue starter, blue jet, elve, gigantic jet, gnome, pixie, red sprite, sprite halo, sprite, troll, upward lightning Coordinate terms: UAP, unidentified aerial phenomenon, UFO, unidentified flying object