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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
Turbulence can occur unexpectedly, the Federal Aviation Administration says, and can be caused by atmospheric pressure, jet streams, air around mountains, cold or warm weather fronts or thunderstorms.
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Niha Masih, Washington Post, 2 July 2024
In previous years, the jet stream — strong winds that blow from west to east — has moved north earlier in the year, Miller said.
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Maia Pandey, Journal Sentinel, 8 July 2024
There’s a chance, however, that a dip in the jet stream over the Central States enacts a bit of a tug northward.
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Anumita Kaur, Washington Post, 4 July 2024
Which brings us to this week’s jet stream of water news — much of it reported by The Times’ Ian James.
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Sammy Roth, Los Angeles Times, 27 June 2024
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These examples are programmatically compiled from various online sources to illustrate current usage of the word 'jet stream.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
1947, in the meaning defined above
Dictionary Entries Near jet stream
Cite this Entry
“Jet stream.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jet%20stream. Accessed 27 Jul. 2024.
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
Britannica.com: Encyclopedia article about jet stream
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