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.

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Etymology

Origin of air pressure

First recorded in 1870–75

Example Sentences

Manufacturers advertise that they have improved cabin air pressure, reduced noise and refined interiors to make long flights less tiring.

From BBC

Could a lack of filters or problems with air pressure have allowed dirty air to enter spaces where vulnerable patients were being treated?

From BBC

The second championed three sessions of a buzzy noninvasive treatment that uses a handheld device to send ultrasound waves and air pressure to stimulate dormant follicles.

From Los Angeles Times

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

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