contrail

== English == === Etymology === Blend of condensation +‎ trail. === Pronunciation === === Noun === contrail (plural contrails) 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. Synonyms: condensation trail, vapor trail, jet stream, cirrus aviaticus, cirrus tractus ==== Derived terms ==== ==== Translations ==== === Verb === contrail (third-person singular simple present contrails, present participle contrailing, simple past and past participle contrailed) (intransitive) To produce an artificial cloud of this kind. ==== Antonyms ==== distrail === Further reading === contrail on Wikipedia.Wikipedia === Anagrams === Coltrain, cilantro, cortinal, crotalin