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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.
Origin
1840-1850
1840-50
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for air chamber
  • The firebox is shrouded at the sides, top and rear by a sheet steel convection air chamber.
  • When the total air flow is higher than the minimum system flow, the pressure in the mixed air chamber becomes more negative.
  • The waterway at the bottom is smaller than the air chamber above the clapper valve.
  • The sensor has an air chamber which is sealed at either end.

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