Also found in: Thesaurus, Acronyms, Encyclopedia, Wikipedia.
Related to contrail: Chemtrail


A visible trail of streaks of condensed water vapor or ice crystals sometimes forming in the wake of an aircraft. Also called vapor trail.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Aeronautics) another name for vapour trail
[C20: from con(densation) + trail]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014



a visible condensation of water droplets or ice crystals from the atmosphere, occurring in the wake of an aircraft, rocket, or missile.
[1940–45; con(densation) trail]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.contrail - 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
cloud - a visible mass of water or ice particles suspended at a considerable altitude
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


n (Aviat) → Kondensstreifen m
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
References in periodicals archive ?
The climate radiative effects of contrails are determined by the background radiation field and the contrail coverage, lifetime, temperature ([T.sub.con]), contrail optical depth (COD), contrail particle shape, and ice crystal effective diameter ([D.sub.E]).
Scientists have known about the greenhouse effect of contrail cirrus for years-in fact, there's an entire niche field of research devoted to it.
56th Fighter Wing senior leadership reviewed the training tapes from the flight and confirmed that F-35s conducting standard fighter training maneuvers Tuesday afternoon in the Gladden and Bagdad military operating airspace resulted in the creation of the contrails. There was no nefarious or inappropriate behavior during the training flight," Rebecca Heyse, chief of public affairs for the 56th Fighter Wing at Luke, said in a statement.
JFS provides financial simplicity with a single payment plan that covers bundled solutions, including Juniper's Contrail Service Orchestration as well as campus and branch hardware and software such as the Mist WLAN solution.
To complement these new infrastructure enhancements, Juniper's widely-deployed Contrail software portfolio enables service operators to transform from managing individual devices to automating the full operational lifecycle with one integrated software suite, simplifying the design, implementation and operations of the network.
Aero Engine Craft is working on the development of a contrail-free aeroengine that can reduce aviation-induced global warming through the prevention of contrail formation during cruise flights.
That's where Diemer observed his own contrail. He wasn't sure what caused the phenomena, but he documented it in his record of the flight, providing one of the earliest accounts from nearly a century ago.
In spring 2014, HALO performed 16 flights above Europe with a focus on anthropogenic contrail cirrus and midlatitude cirrus induced by frontal systems including warm conveyor belts and other dynamical regimes (jet streams, mountain waves, and convection).
Contrail is a special kind of cloud, caused by the aircraft engine emissions from the exhaust gas mixed with the surrounding air and the condensation of water vapor.
dedicated cloud services powered by Contrail Networking, STC now has a fully
Itoya Contrail CollectionAre you always on the move between classes?