The Collaborative International Dictionary
Vapor pressure \Vapor pressure\ or Vapor tension \Vapor tension\ . (Physics) 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.
Usage examples of "vapor tension".
A small carbon-dioxide cylinder was strapped to his chest, adjusted to a slow leak that would maintain a perceptible CO, vapor tension in his immediate vicinity.
A small carbon-dioxide cylinder was strapped to his chest, adjusted to a slow leak that would maintain a perceptible CO2 vapor tension in his immediate vicinity.