An artificial cloud made by the exhaust of jet aircraft or wingtip vortices that precipitate a stream of tiny ice crystals in moist, frigid upper air.
1A condensation trail arced suddenly into the sky, launched from one of the Iscan heavies.
2Condensation trails are a consequence of interaction between the exhaust gases from a plane's engines and the surrounding air.
3But in fact he was curious about condensation trails, those elongated streaks of cloud that form a wake behind high flying aircraft.
Translations for condensation trail