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jet stream

/ˌdʒɛt ˌˈstrim/
IPA guide

Other forms: jet streams

Definitions of jet stream
  1. noun
    a high-speed, high-altitude air current blowing from west to east near the top of the lowest layer of Earth's atmosphere, which has important effects on the formation of weather fronts
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    type of:
    airstream
    a relatively well-defined prevailing wind
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