jet stream

noun

: a long narrow meandering current of high-speed winds near the tropopause blowing from a generally westerly direction and often exceeding a speed of 250 miles (402 kilometers) per hour

Examples of jet stream in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Pressure side pool cleaners take things a step further than suction side models by incorporating a jet stream of water that agitates debris for more effective cleaning. Bestreviews, Mercury News, 3 Apr. 2025 Fly like a jet stream Swift became a lightning rod in the debate over carbon dioxide emissions in 2022 after a study published by the Yard, a content and public relations firm, put the Eras Tour singer at the top of a wasteful list. Bryan West, USA Today, 31 Mar. 2025 Due to the Coriolis effect caused by the planet's rotation, this circulation generates a powerful eastward-flowing jet stream. Victoria Corless, Space.com, 20 Mar. 2025 In this case high winds in a very strong jet stream aloft encountered very dry air from the Desert Southwest while unusual warmth in the Gulf was pulling extra moisture in, Bentley said. Dinah Voyles Pulver, USA TODAY, 17 Mar. 2025 See All Example Sentences for jet stream

Word History

First Known Use

1947, in the meaning defined above

Time Traveler
The first known use of jet stream was in 1947

Browse Nearby Words

Cite this Entry

“Jet stream.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jet%20stream. Accessed 15 Apr. 2025.

Kids Definition

jet stream

noun
: a long narrow wandering current of high-speed winds blowing from a generally westerly direction several miles above the earth's surface

More from Merriam-Webster on jet stream

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