air chamber
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air chamber
n.
1. An enclosure filled with air for a special purpose.
2. A chamber, especially in a hydraulic system, in which air elastically compresses and expands to regulate the flow of a fluid.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
air′ cham`ber
n.
1. a chamber containing air, as in a pump, lifeboat, or organic body.
2. a compartment of a hydraulic system containing air that by its elasticity equalizes the pressure and flow of liquid within the system.
[1840–50]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.