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

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

The experiments confirmed that touch for the head and body is mapped in different regions of the forebrain and showed for the first time that air pressure activates specific clusters of neurons in these regions.

From Science Daily