vapor pressure

Vapor pressure — (also known as equilibrium vapor pressure or saturation vapor pressure ), is the pressure of a vapor in equilibrium with its non vapor phases. All liquids and solids have a tendency to evaporate to a gaseous form, and all gases have a tendency to …   Wikipedia

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… …   The Collaborative International Dictionary of English

vapor pressure — n. the pressure of a vapor in equilibrium with its liquid or solid form: also called vapor tension …   English World dictionary

vapor pressure — noun 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) (Freq. 10) • Syn: ↑vapour pressure • Hypernyms: ↑pressure, ↑pressure level, ↑force per unit… …   Useful english dictionary

vapor pressure — noun The pressure that a vapor exerts, or the partial pressure if it is mixed with other gases. See Also: saturation vapor pressure, water vapor pressure …   Wiktionary

vapor pressure — The pressure exerted by the vapors released from an oil at a given temperature when enclosed in an airtight container. For motor gasoline a criterion of vapor lock tendencies, for light products generally an index of storage and handling… …   Petroleum refining glossary

vapor pressure — garų slėgis statusas T sritis fizika atitikmenys: angl. vapor pressure; vapour pressure vok. Dampfdruck, m rus. давление пара, n pranc. pression de vapeur, f …   Fizikos terminų žodynas

vapor pressure — Pressure imposed by either a vapor or gas …   Dictionary of automotive terms

vapor pressure — pressure caused as a result of the power of vapors spreading …   English contemporary dictionary

vapor pressure — the pressure exerted by the molecules of a vapor, esp. that part of the total pressure exerted by vapor in a mixture of gases, as by water vapor in air. Also called vapor tension. [‡1895 1900] * * * …   Universalium

vapor pressure — noun Date: 1865 the pressure exerted by a vapor that is in equilibrium with its solid or liquid form called also vapor tension …   New Collegiate Dictionary