compressed air

American  

noun

1. air compressed, especially by mechanical means, to a pressure higher than the surrounding atmospheric pressure.

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compressed air British  

noun

1. air at a higher pressure than atmospheric pressure: used esp as a source of power for machines

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Etymology

Origin of compressed air

First recorded in 1660–70

Example Sentences

Together, they created a deluxe valve system that supplies divers with compressed air.

From Literature

Vanguard also will include a floating structure on the surface of the water to transport compressed air, power the vessel, and allow for communication with the outside world.

From Barron's

A hiss and puff of compressed air shapes the smooth leather, bringing to life an all-American cowboy boot in a factory on China's eastern coast.

From BBC

"Another factor that comes into play is that we are powering this robot with compressed air," Qing says.

From Science Daily

Don’t use a hair dryer or compressed air on your phone.

From Seattle Times