air chamber

noun

1. a chamber containing air, as in a pump, lifeboat, or organic body.
2. Also called air cushion. a compartment of a hydraulic system containing air that by its elasticity equalizes the pressure and flow of liquid within the system.

Word History and Origins

Origin of air chamber¹

First recorded in 1840–50

Example Sentences

The pollutant levels are carefully measured and controlled, then fed into an air chamber - essentially a room-sized plastic sac - and piped out to the volunteers to breathe in.

From BBC

She says she's happy to breathe in pollution in the name of science - and passes the hours hooked up to the air chamber by reading a book.

From BBC

Misnar, a street vendor who spends his days working outdoors — and like many Indonesians only uses one name — went to the hospital on September and spent days in a special air chamber to treat his pneumonia, which was worsened by routinely working outdoors in the polluted air, said Misnar’s eldest daughter, Siti Nurzanah.

From Seattle Times

There’s a third air chamber located near the bottom of the mouth area, but it’s passive and doesn’t feature a fan.

From The Verge

With some shock arresters, the air chamber, which is in the closed pipe on one half of the T-shape fitting, has to be pointed upward.

From Washington Post