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



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May 24, 2015
erudite Hear it
learned or pedantic
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