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.
Primary hazards include high levels of volcanic gases—predominantly water vapor (H2O), carbon dioxide (CO2), and sulfur dioxide (SO2). Josh Hammer, Newsweek, 23 Dec. 2024 The crux of the idea is to use future space- and ground-based telescopes, hopefully as soon as next decade, to take high resolution spectra of water vapor in an extrasolar earth’s atmosphere. Bruce Dorminey, Forbes, 13 Dec. 2024 In contrast, Earth’s volcanic eruptions are over 60 percent water vapor. Margherita Bassi, Smithsonian Magazine, 5 Dec. 2024 Warmer atmospheres can hold more water vapor before releasing the water as rain or snow. Elise Schmelzer The Denver Post (tns), arkansasonline.com, 25 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 3 Jan. 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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