jet stream

1. 1.

   a high-speed high-altitude airstream blowing from west to east near the top of the troposphere; has important effects of the formation of weather fronts

   Broaderairstream

Questions about jet stream

What does jet stream mean?

jet stream means "a high-speed high-altitude airstream blowing from west to east near the top of the troposphere; has important effects of the formation of weather fronts".

Is jet stream a common word?

jet stream is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.