Contrail

noun, verb

Definitions

Noun
  1. 1
    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.
  2. 2
    an artificial cloud created by an aircraft; caused either by condensation due to the reduction in air pressure above the wing surface or by water vapor in the engine exhaust wordnet
Verb
  1. 1
    To produce an artificial cloud of this kind. intransitive

Etymology

Etymology 1

Blend of condensation + trail.

Etymology 2

Blend of condensation + trail.

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