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partial pressure

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.


partial pressure

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
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of partial pressure1

First recorded in 1855–60
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Example Sentences

The assimilation of carbon increases with the increase in the partial pressure of the CO2.

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

With regard to the partial pressure of the components, the behaviour is more uniform.

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