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Definitions

atmospheric pressure

[at-muhs-fer-ik presh-er, -feer-] / ˌæt məsˈfɛr ɪk ˈprɛʃ ər, -ˈfɪər- /

NOUN

air pressure

Synonyms

WEAK

barometric pressure

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.

They have also noticed a drop in atmospheric pressure over the central Pacific compared with the western Pacific.

From BBC • Jun. 9, 2026

These materials can only be created under enormous pressures that exceed atmospheric pressure by more than a million times.

From Science Daily • Dec. 21, 2025

The title refers to the pressure inside a bottle of Champagne or Champagne-method sparkling wine: up to six times the average atmospheric pressure at sea level.

From The Wall Street Journal • Nov. 6, 2025

Today, the plant is still buzzing with life: Nuclear fission, in the deep heart of the plant, continues to superheat water to 600 degrees at 150 times atmospheric pressure.

From Los Angeles Times • Aug. 25, 2024

This was, in effect a wind gun driven by atmospheric pressure and where the piston replaced the bullet.

From "The Invention of Science" by David Wootton