Simple Definition of jet stream
: a strong current of fast winds high above the Earth's surface
Full Definition of jet stream
: 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
First Known Use of jet stream
Rhymes with jet stream
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JET STREAM Defined for Kids
Definition of jet stream for Students
: high-speed winds blowing from a westerly direction several miles above the earth's surface
Learn More about jet stream
Britannica.com: Encyclopedia article about "jet stream"
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