JET STREAM

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

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

Classified under:

Nouns denoting natural phenomena

Hypernyms ("jet stream" is a kind of...):

airstream (a relatively well-defined prevailing wind)

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