PARTIAL PRESSURE Definition & Meaning

partial pressure

noun

Physics, Chemistry.

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.

partial pressure

noun

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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51�Թ� History and Origins

Origin of partial pressure¹

First recorded in 1855–60

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Example Sentences

Examples have not been reviewed.

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.

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Alongside the experiments and outreach, Dituri has learned how to cook a “solid” poached salmon in the microwave — the habitat’s partial pressure means he can’t use an open flame — and learned that crab legs might not be the best meal choice.

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“Everyone is working in conditions that are like an incubator, where the partial pressure of oxygen is much higher than in the body,” Kieda says.

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The permeance is defined as the flux divided by the partial pressure gradient.

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As partial pressure of CO2 rises, the conversion to carbonate also rises--an equilibrium-seeking mechanism.

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