partial pressure

American  

noun

Physics, Chemistry.

1. the pressure that a gas in a mixture of gases would exert if it occupied the same volume as the mixture at the same temperature.

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partial pressure British  

noun

1. the pressure that a gas, in a mixture of gases, would exert if it alone occupied the whole volume occupied by the mixture

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Etymology

Origin of partial pressure

First recorded in 1855–60

Example Sentences

See Examples For:

partial pressure

Once the MOF is filled with CO2, the CO2 can be removed, or desorbed, by lowering the partial pressure of CO2, either by flushing with a different gas or putting it in a vacuum.

From Science Daily ● Nov. 14, 2024

Hydrogen is removed from the vessel until the partial pressure of nitrogen, at equilibrium, is 250 torr.

From Textbooks ● Feb. 14, 2019

Assuming that the number of moles of each gas that escapes into the room is the same, what is the maximum partial pressure of HCl and NH3 in the laboratory at room temperature?

From Textbooks ● Feb. 14, 2019

Then equilibrium has been achieved, and the vapor pressure is equal to the partial pressure of water in the container.

From Textbooks ● Aug. 12, 2015

The ratios of the fluxes of partial pressure to the corresponding pressure-gradients are also equal to the same coefficient.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" by Various