air pressure

[ air presh-er ]

noun

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

Word History and Origins

Origin of air pressure¹

First recorded in 1870–75

Example Sentences

And in the Pacific north-west , communities are still recovering after last week's bomb cyclone, an intense weather event that takes place when air pressure quickly drops off the coast.

From BBC

The "bomb cyclone" - as forecasters call it - is caused by air pressure quickly dropping off the coast, which has rapidly intensified the weather system.

From BBC

Simulations with a computer model suggest that the singers can, among others, only produce their highest frequencies with a greatly increased tension in the vocal folds, supported by high expiratory air pressures.

From Science Daily

When sinuses are functioning normally, he says, air moves freely so that the air pressure in the nose and sinuses is the same as in one’s surrounding atmosphere.

From Los Angeles Times

A common treatment for sleep apnea is PAP therapy, which uses mild levels of air pressure, provided through a mask, to keep the throat open during sleep.

From Science Daily