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air pressure

American  
[air presh-er] / ˈɛər ˌprɛʃ ər /

noun

  1. 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.

Weather forecaster Joe Bastardi at WeatherBELL Analytics said in an interview that changes in air pressure in the central and western Pacific suggest the El Niño has already started.

From MarketWatch • Jun. 8, 2026

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

Or the kite maker might have attached the string in a way that inhibits the kite’s ability to catch air pressure and rise.

From Los Angeles Times • May 3, 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

Possibly there were slight differences in the air pressure.

From "1984" by George Orwell

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