water vapor

noun

: water in a vaporous form especially when below boiling temperature and diffused (as in the atmosphere)

Examples of water vapor 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.
The aim is to use the observatory to directly image these worlds and analyze their atmospheres to search for signs of oxygen, methane and water vapor—key indicators of habitability. Dakotah Tyler, Scientific American, 18 Feb. 2025 It is predicted to make atmospheric rivers — narrow highways of concentrated water vapor in the mid-troposphere — even wetter in coming years. Andrew Freedman, Axios, 12 Feb. 2025 Atmospheric river storms are long plumes of water vapor that can pour over from the Pacific Ocean into California. Rong-Gong Lin Ii, Los Angeles Times, 31 Jan. 2025 The means how much precipitation there would be if the water vapor in the air turned into rain. Camila Pedrosa, Sacramento Bee, 22 Jan. 2025 See All Example Sentences for water vapor

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of water vapor was in the 15th century

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Cite this Entry

“Water vapor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/water%20vapor. Accessed 28 Feb. 2025.

Kids Definition

water vapor

noun
: water in a gaseous form especially when below boiling temperature and spread through the atmosphere

Medical Definition

water vapor

noun
: water in a vaporous form especially when below boiling temperature and diffused (as in the atmosphere)
Last Updated: - Updated example sentences
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