: streaks of condensed water vapor created in the air by an airplane or rocket at high altitudes

Examples of contrail in a Sentence

Recent Examples on the Web
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This contrail of information can lay the groundwork for applying AI. — Marc Kermisch, Forbes.com, 24 Sep. 2026 In the near future, Google is planning a larger-scale trial with Cathay Pacific, involving more flights, in hopes of accelerating contrail research and delivering fast, effective impacts on climate change mitigation. — Jon Martindale, PC Magazine, 7 Sep. 2026 And more than 40% of these flights left contrails behind them for at least part of the journey. — Chas Newkey-Burden, TheWeek, 28 Aug. 2026 When there’s a launch window in the middle of the night or very early morning, there’s an opportunity for unique photos — the rocket lights up the dark sky, and the contrail afterward makes for a great photo. — Lianna Norman, Florida Times-Union, 28 Aug. 2026 See All Example Sentences for contrail

Word History

Etymology

condensation trail

First Known Use

1943, in the meaning defined above

Time Traveler
The first known use of contrail was in 1943

Browse Nearby Words

Cite this Entry

“Contrail.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/contrail. Accessed 2 Oct. 2026.

Kids Definition

: a stream of visible water or ice particles created in the air by an airplane or rocket at high altitudes

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