air pressure

American

[air presh-er] / ˈɛər ˌprɛʃ ər /

noun

the force exerted by air, whether compressed or unconfined, on any surface in contact with it.

Etymology

Origin of air pressure

First recorded in 1870–75

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The crisis comes with Asia bracing for a possible return of the El Nino weather phenomenon, which brings worldwide changes in winds, air pressure, and rainfall patterns.

From Barron's • May 8, 2026

El Nino is a naturally occurring climate phenomenon that brings worldwide changes in winds, air pressure, and rainfall patterns.

From Barron's • May 5, 2026

These temperature differences shift air pressure patterns, creating changes in wind strength and direction that move surface waters aside and allow the deeper phosphorus-rich water to rise.

From Science Daily • Nov. 19, 2025

Mr Hobbs said the couple were less than 10 minutes into their walk when they heard an "almighty bang – the kind where the air pressure around your head goes".

From BBC • Jun. 5, 2025

That odd feeling he knows to be a dip in air pressure.

From "A Bird Will Soar" by Alison Green Myers

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023