from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The pressure exerted by a vapor in equilibrium with its solid or liquid phase.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The pressure that a vapor exerts, or the partial pressure if it is mixed with other gases.
from the GNU version of the Collaborative International Dictionary of English
- The pressure or tension of a confined body of vapor of a chemical substance in equilibrium with the solid or liquid form of the substance. The pressure of a given saturated vapor is a function of the temperature only, and may be measured by introducing a small quantity of the substance into a barometer and noting the depression of the column of mercury.
from The Century Dictionary and Cyclopedia
- n. See pressure.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the pressure exerted by a vapor; often understood to mean saturated vapor pressure (the vapor pressure of a vapor in contact with its liquid form)
Sorry, no etymologies found.
He expected the liquid to ooze out in the asteriod's feeble gravity, but its vapor pressure must have been high, for it sprayed out in a heavy stream.