Definition of vapor pressure
: the pressure exerted by a vapor that is in equilibrium with its solid or liquid form — called also
vapor tension
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Recent Examples of vapor pressure from the Web
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The vapor pressure varies by month, region, and octane.
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
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