anticyclone
noun
Meaning
A large-scale circulation of winds around a central region of high atmospheric pressure, rotating clockwise in the Northern Hemisphere and counter-clockwise in the Southern Hemisphere, typically associated with calm, clear weather.
Examples
- The slow-moving anticyclone brought unusually dry conditions to the entire valley.
- Meteorologists tracked the anticyclone as it drifted eastward across the continent.
Synonyms: high-pressure system, high, high-pressure area, anticyclonic system