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

What is the partial pressure of H2O in the product gases?

From Textbooks ● Feb. 14, 2019

Increasing the oxygen partial pressure will yield a decrease in Q and thus becomes more negative.

From Textbooks ● Feb. 14, 2019

Thus water evaporates and ice sublimates when their vapor pressures exceed the partial pressure of water vapor in the surrounding mixture of gases.

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