atmospheric pressure; air pressure
General term for the pressure exerted by the atmosphere; used in weather reports, science, and everyday contexts.
The atmospheric pressure near the center of the typhoon is 950 hectopascals.
Changes in air pressure can sometimes cause headaches.
Technical unit of pressure used in physics and engineering; often abbreviated as atm.
One atmosphere is equivalent to about 1013 hectopascals.
Atmospheric pressure drops suddenly as a typhoon approaches.
In the deep sea, water pressure can exceed 10 atmospheres.
In this area, the atmospheric pressure has been low for a while now.
You measure atmospheric pressure with a barometer.
atmospheric pressure
barometer