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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

In 2022, Schlamminger was ready to reveal the result but stopped at the last moment after realizing that a subtle air pressure effect could influence the measurement.

From Science Daily • May 18, 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

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

There’s no way to measure how long I fall, but for the popping of my ears as the air pressure increases.

From "Challenger Deep" by Neal Shusterman

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