vapour trailˈvapour trail British English, vapor trail American English noun [countable] 
Examples
ExamplesEXAMPLES FROM THE CORPUS
Thesaurus- High overhead, a jet laid its vapour trail across a bleached-blue sky.
- It was leaving an impressive vapour trail.
- Ruth flopped back in the lounger and studied the vapour trail through half-closed eyes.
THESAURUS► cloud
the white line that is left in the sky by a plane noun [countable, uncountable] a white or grey mass in the sky that forms from very small drops of water: · The storm was still a way off but black clouds were gathering.· Thick cloud obscured the top of the hill.
► fog noun [countable, uncountable] very thick cloud near the ground which is difficult to see through: · The cars crashed into each other in thick fog.· The fog had lifted (=disappeared)slightly.
► mist noun [countable, uncountable] light cloud near the ground that makes it difficult for you to see very far. Mist is usually not as thick as fog. You often get mist near areas of water or mountains: · The morning mist was lifting and the sun was coming up.· A grey mist hung over the water.· The hills were shrouded in mist (=surrounded by mist).
► haze noun [singular, uncountable] smoke, dust, or mist in the air which is difficult to see through: · He saw the horses coming towards him through a haze of dust.· The road shimmered in the heat haze.· A pale blue haze hung over the far-off mountains.
► smog noun [countable, uncountable] dirty air that looks like a mixture of smoke and fog, caused by smoke from cars and factories in cities: · The city is covered in smog for much of the year.· A smog warning was issued for parts of Southern Oregon.
► thundercloud noun [countable] a large dark cloud that you see before or during a storm: · He watched the thunderclouds roll across the valley.
► vapour trail British English, vapor trail American English noun [countable] the white line that is left in the sky by a plane: · High overhead, a jet left its vapour trail across the blue sky.
WORD SETS► Airaerial, adjectiveaero-, prefixaerobatics, nounaerodrome, nounaeronautics, nounairborne, adjectiveaircraft, nounaircrew, nounairfare, nounairfield, nounairline, nounairliner, nounair pocket, nounairport, nounairship, nounairsick, adjectiveairspace, nounairspeed, nounairstrip, nounair terminal, nounair traffic controller, nounairway, nounairworthy, adjectivealtimeter, nounapron, nounautomatic pilot, nounautopilot, nounaviation, nounaviator, nounballast, nounballoon, nounballooning, nounbank, verbbarrage balloon, nounbiplane, nounblack box, nounblimp, nounboarding card, nounboarding pass, nounbulkhead, nounbusiness class, nounbuzz, verbcabin, nouncaptain, nouncarousel, nounceiling, nouncharter flight, nouncheck-in, nounchock, nounchopper, nounchute, nounclub class, nouncontrail, nouncontrol tower, nounco-pilot, nouncowling, nouncraft, nouncrash landing, noundeparture lounge, noundepartures board, noundirigible, noundisembark, verbdive, verbeconomy class, nouneject, verbejector seat, nounfin, nounflap, nounflier, nounflight, nounflight attendant, nounflight deck, nounflight path, nounflight recorder, nounflight simulator, nounfly, verbflyby, nounflyer, nounflying, nounflypast, nounfree fall, nounfuselage, noungate, nounglider, noungliding, noungondola, nounground, verbground control, nounground crew, nounground staff, nounhangar, nounhang-glider, nounhang-gliding, nounhelicopter, nounhelicopter pad, nounheliport, nounhijacking, nounholding pattern, nounhot-air balloon, nounhydroplane, nouninbound, adjectivein-flight, adjectiveinstrument panel, nounjet, nounjet engine, nounjet-propelled, adjectivejet propulsion, nounjoystick, nounjumbo jet, nounjump jet, nounland, verblanding gear, nounlanding strip, nounlayover, nounlift, nounlight aircraft, nounlounge, nounlow-flying, adjectivemicrolight, nounmonoplane, nounnavigation, nounno-fly zone, nounnose, nounnosedive, nounnosedive, verboverfly, verbparachute, nounparachute, verbparachutist, nounpilot, nounpilot, verbpitch, nounpitch, verbplane, nounplot, verbpod, nounpressurized, adjectiveprop, nounpropeller, nounradio beacon, nounrefuel, verbripcord, nounroll, verbroll, nounrotor, nounrudder, nounrunway, nounseaplane, nounseat belt, nounshort-haul, adjectiveski plane, nounskycap, nounsonic boom, nounspoiler, nounsteward, nounstewardess, nounstrut, nounswept-back, adjectiveswoop, verbtail, nountailspin, nountake-off, nountaxi, verbterminal, nountest pilot, nounthrust, nountouchdown, nountransit lounge, nountransport plane, nounturbojet, nounturboprop, nountwin-engined, adjectiveundercarriage, nounupgrade, verbvapour trail, nounwheel, verbwindsock, nounwind tunnel, nounwing, nounwingspan, nounwingtip, nounzeppelin, noun