from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Air under greater than atmospheric pressure, especially when used to power a mechanical device or to provide a portable supply of oxygen.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Air which has been
reducedin volumeand increasedin pressure; it is used to power machineryetc
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun air at a pressure greater than that of the atmosphere
Sorry, no etymologies found.
Sorry, no example sentences found.