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.

Wikipedia foundation.

Look at other dictionaries:

  • contrail — 1945, from con(densation) trail …   Etymology dictionary

  • contrail — ☆ contrail [kän′trāl΄ ] n. [ CON(DENSATION) + TRAIL] a white trail of condensed water vapor that sometimes forms in the wake of an aircraft; vapor trail …   English World dictionary

  • Contrail — Vapor Trail redirects here. For other uses, see Vapor Trail (disambiguation). For other uses, see Contrail (disambiguation). Cirrus aviaticus Contrails from a S7 Airlines Tupolev Tu 154M …   Wikipedia

  • Contrail — Traînée de condensation Traînées de condensation derrière un avion quadriréacteur Boeing 747 …   Wikipédia en Français

  • CONTRAIL — condensation trail …   Military dictionary

  • contrail — noun Etymology: condensation trail Date: 1943 streaks of condensed water vapor created in the air by an airplane or rocket at high altitudes …   New Collegiate Dictionary

  • Contrail — Die Kondensstreifen entstehen erst ein Stück hinter den Triebwerken, wenn sich die Abgase abgekühlt haben. Kondensstreifen einer vierstrahligen …   Deutsch Wikipedia

  • contrail — /kon trayl/, n. a visible condensation of water droplets or ice crystals from the atmosphere, occurring in the wake of an aircraft, rocket, or missile under certain conditions. Also called condensation trail, vapor trail. [1940 45; CON(DENSATION) …   Universalium

  • contrail — con|trail [ˈkɔntreıl US ˈka:n ] n [Date: 1900 2000; Origin: condensation trail] a line of white steam made in the sky by a plane …   Dictionary of contemporary English

  • contrail — con|trail [ kan,treıl ] noun count AMERICAN a line of white steam left in the sky by an airplane flying very high …   Usage of the words and phrases in modern English