Meaning of the word "Air Pressure" in English

What does "Air Pressure" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

Air Pressure

US /ˈɛr ˌprɛʃ.ər/
UK /ˈeə ˌprɛʃ.ər/

Noun

the force exerted by the weight of air on a surface

Example:
High air pressure usually indicates clear skies and stable weather.
Divers need to be aware of changes in air pressure as they ascend or descend.