vapor pressure

noun

: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
As the temperature increases in a linear way, vapor pressure deficit—essentially, the thirstiness of the atmosphere—increases exponentially, pulling an increasing amount of water from trees, other plants, and soil. WIRED, 18 Nov. 2023 Scientists call this phenomenon the vapor pressure deficit. Jane Braxton Little, Scientific American, 23 Aug. 2023 As the average and extreme maximum temperatures increase, vapor pressure deficit — essentially the thirstiness of the atmosphere — rises exponentially. Jim Robbins Ian C. Bates, New York Times, 15 Aug. 2023 The researchers found that changes in global mean temperature are positively linked with changes in the Western North American vapor pressure deficit, a measure of how effectively the air can dry out plants and vegetation that ultimately become fuel for wildfires, Dahl said. Alex Wigglesworth, Los Angeles Times, 16 May 2023 See all Example Sentences for vapor pressure 

Word History

First Known Use

1865, in the meaning defined above

Time Traveler
The first known use of vapor pressure was in 1865

Dictionary Entries Near vapor pressure

Cite this Entry

“Vapor pressure.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vapor%20pressure. Accessed 29 Nov. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!