air chamber
Americannoun
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a chamber containing air, as in a pump, lifeboat, or organic body.
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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.
Etymology
Origin of air chamber
First recorded in 1840–50
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
A protective cap prevents debris from entering, while a small air chamber allows airflow.
From Science Daily ● Apr. 19, 2026
Inflating the air chamber forces the fins to bend -- similar to the down stroke when a manta flaps its fins.
From Science Daily ● Dec. 4, 2024
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 ● Dec. 15, 2023
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 ● Oct. 21, 2021
The caisson is furnished with an air chamber to give it flotation, which is adjusted by ballast according to the depth of water.
From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 5 "Dinard" to "Dodsworth" by Various
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