air cushion
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air cushion
n.
1.
a. A mass of trapped air that supports an object a short distance above a surface.
b. The air in such a mass.
2. An inflatable cushion.
air′-cush′ion, air′-cush′ioned (-ko͝osh′ənd) adj.
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 cushion
n
1. an inflatable cushion, usually made of rubber or plastic
2. (Aeronautics) the pocket of air that supports a hovercraft
3. (Mechanical Engineering) a form of pneumatic suspension consisting of a constricted volume of air. See also air spring
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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| Noun | 1. |  air cushion - the trapped air that supports a hovercraft a short distance above the water or groundcompressed air - air at a pressure greater than that of the atmosphere; "compressed air is often used to power machines" |
| 2. | air cushion - a mechanical device using confined air to absorb the shock of motion cushion, shock absorber, shock - a mechanical damper; absorbs energy of sudden impulses; "the old car needed a new set of shocks" | |
| 3. |  air cushion - a cushion usually made of rubber or plastic that can be inflatedcushion - a soft bag filled with air or a mass of padding such as feathers or foam rubber etc. |
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Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995