atmospheric pressure
nounUK /ˌæt.məsˈfer.ɪk ˈpreʃ.ə/
US /ˌæt.məsˈfɪr.ɪk ˈpreʃ.ɚ/
The weight of the air around us pushing down on everything.
The atmospheric pressure drops when a storm is coming.
RELATED WORDS
OTHER MEANINGS
2. The force per unit area exerted by the atmosphere at a given place and time.
Scientists recorded the atmospheric pressure at sea level.
3. A measure used in weather forecasting to predict changes in the weather.
Falling atmospheric pressure often means rain is on the way.
4. The pressure of the air inside a closed space compared with the air outside.
The cabin keeps atmospheric pressure steady during the flight.