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VAPOUR TRAIL definition: water vapour that looks like a line of white smoke behind an aircraft as it flies. Learn more.
- VAPOR TRAIL | definition in the Cambridge English Dictionary
VAPOR TRAIL meaning: water vapor that looks like a line of...
- VAPOR TRAIL | definition in the Cambridge English Dictionary
Contrails (/ ˈ k ɒ n t r eɪ l z /; short for "condensation trails") or vapor trails are line-shaped clouds produced by aircraft engine exhaust or changes in air pressure, typically at aircraft cruising altitudes several kilometres/miles above the Earth's surface.
They are made up mostly of water and are called contrails or vapour trails, but a growing number of people falsely believe they are evidence of something sinister going on.
contrail, streamer of cloud sometimes observed behind an airplane flying in clear cold humid air. A contrail forms when water vapour produced by the combustion of fuel in airplane engines condenses upon soot particles or sulfur aerosols in the plane’s exhaust.
A vapour trail is a white line of water vapour left in the sky by an aeroplane, a rocket, or a missile.
Definition of vapour trail noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
VAPOR TRAIL meaning: water vapor that looks like a line of white smoke behind an aircraft as it flies. Learn more.
