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  • noun

Synonyms for contrail

an artificial cloud created by an aircraft

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I looked out of the window and I saw four vapour trails.
LEAVING A MARK Vapour trails from wartime bombers BADGE The USAAF
The Saltire In The Sky contest aims to capitalise on blue skies forecast for this summer by asking people to snap a St Andrew's cross, whether formed by nature or planes' vapour trails.
With their trademark red, white and blue vapour trails, the Red Arrows are a familiar sight at British ceremonial occasions and international air displays.
QWHY is it that sometimes you see vapour trails from aircraft and at other times you can't?
What substances form the vapour trails visible behind high-flying jet aircraft?
The project's launch ceremony in Touisha, east of Tripoli, included Italian jets streaming vapour trails in Libya's national colour of green, BBC reported.
ONCE, while doing my dissertation at college, I downed so much Pro-Plus and Red Bull that I stayed awake so long that I could actually see vapour trails as people passed me.
A DAY of immaculate beauty, with only vapour trails marring the cerulean blue.
United Kingdom, Meteorology Subcommittee of the Aeronautical Research Committee, "Formation of Vapour Trails behind Aircraft: Copy of Pilots' Replies to Questionnaire Issued by the National Research Council of Canada," and [early 1942], United Kingdom National Archives document DSIR 23/11406, pp.
In calling for integration into the existing ETS system, limited to CO2 emissions and regarded as a first stage, ACI does not deny the impact of other emissions due to aircraft (NOx, vapour trails and the formation of cirrus clouds) nor the need to deal with these emissions in the same way as CO2 emissions.
WHEN I saw the vapour trails produced by aircraft from our international airport at Rhoose, I rather wondered if the captains were Scots, and attempting to affect a tourism advert for Scotland with the cross of St Andrew.
The smoke and the vapour trails over Tora Bora may have signalled the end of Afghanistan as a favoured destination for aspirant terrorists, but it did nothing to eradicate the reasons for the volunteers wanting to go there.
Vapour trails from jet engines are having such a profound effect on our environment that when flights were banned for a couple of days over America in the wake of the September 11 atrocities the temperature there rose by a degree.
The stunned families had gathered at the VIP suite at Cape Canaveral as five ominous vapour trails were the only visible sign of the stricken shuttle.