vapor pressure

noun

Definition of vapor pressure 

: the pressure exerted by a vapor that is in equilibrium with its solid or liquid form

called also vapor tension

Examples of vapor pressure in a Sentence

Recent Examples on the Web

These pollutants can get into soil and water supplies, and TNT, due to its high vapor pressure, has a tendency to produce air pollutants that can harm workers melting down the material with steam. Jay Bennett, Popular Mechanics, "So Long TNT, There's a New Explosive in Town," 2 July 2018 The vapor pressure varies by month, region, and octane. Clifford Atiyeh, Car and Driver, "The Vapor Rub: Summer versus Winter Gasoline Explained," 13 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'vapor pressure.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of vapor pressure

1865, in the meaning defined above

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The first known use of vapor pressure was in 1865

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