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 research team also noted the presence of water vapor in the atmosphere, which helps give the team a better idea of the exoplanet’s composition. Monica Cull, Discover Magazine, 25 Feb. 2025 So one way to narrow down the list of potential candidates is to focus on the ability of a planet to host life, mainly in the form of water vapor in its atmosphere. Paul Sutter, Space.com, 21 Feb. 2025 Everywhere, the planet showed signs of heat swoon last year, with record high levels of water vapor, methane, and carbon dioxide in the atmosphere; record low expanses of sea ice around Antarctica; and record oceanic temperatures in the North Atlantic, Indian, and western Pacific Oceans. Jeffrey Kluger, TIME, 10 Jan. 2025 As the water vapor rises, the salt is left behind, ensuring that only purified water is collected. Kurt Knutsson, Cyberguy Report, Fox News, 9 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

Browse Nearby Words

Cite this Entry

“Water vapor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/water%20vapor. Accessed 9 Mar. 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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