Pronunciation: /ˈdʒɛtˌstrim/
noun a narrow, variable band of very strong, predominantly westerly air currents encircling the globe several miles above the earth
A1 The jetstream helps airplanes fly faster.
A2 Pilots use the jetstream to save fuel on long flights.
B1 Meteorologists study the jetstream to predict weather patterns.
B2 The jetstream can have a significant impact on transatlantic flights.
C1 Understanding the jetstream is crucial for aviation safety.
C2 Pilots must navigate the jetstream carefully to avoid turbulence.
formal The jetstream is a narrow, fast-flowing air current high in the Earth's atmosphere.
informal Pilots often try to ride the jetstream to save on fuel during long flights.
slang I heard we're going to be flying through the jetstream, so we should get there faster.
figurative Her ideas were like a powerful jetstream, propelling the project forward with great speed.
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