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 team calculated that Venus’ eruptions are at most 6 percent water vapor. Margherita Bassi, Smithsonian Magazine, 5 Dec. 2024 Powered by bomb cyclones and atmospheric rivers—long, narrow corridors of water vapor that deliver heavy precipitation—these storms boosted reservoir levels statewide. Mark R. Weaver, Newsweek, 4 Dec. 2024 Frost develops when temperatures drop below 32 degrees Fahrenheit, such that water vapor in the air freezes and forms thin layers of ice crystals on outside surfaces, including snow. Maia Pandey, Journal Sentinel, 11 Nov. 2024 Strong ARs transport water vapor roughly equivalent to 7.5 to 15 times the average flow of the Mississippi River. Nikki Nolan, CBS News, 20 Nov. 2024 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

Dictionary Entries Near water vapor

Cite this Entry

“Water vapor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/water%20vapor. Accessed 15 Dec. 2024.

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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