jetstream
/ˈdʒɛtˌstriːm/
noun
- A narrow, fast-moving band of air current in the upper atmosphere, often affecting weather patterns.
- The jetstream can cause flights to be faster or slower depending on the direction of travel.
- The strong jetstream this winter brought unusually cold air down from the Arctic.
- Meteorologists track the jetstream to predict storms and temperature changes.
- A high-speed flow of fluid or gas, especially from a jet engine or nozzle.
- Engineers studied the jetstream to improve the efficiency of the turbine.
- The jetstream from the rocket engine was visible for miles.
- The hot jetstream melted the ice on the runway.
Synonyms