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.
Body heat can escape a breathable jacket almost as easily as water vapor. Adrienne So, Wired News, 15 Apr. 2025 Performance in extreme conditions Hydrogen vehicles perform well across various temperatures but face challenges such as freezing water vapor emissions in cold climates. Kurt Knutsson, Cyberguy Report, FOXNews.com, 8 Apr. 2025 In general, atmospheric rivers pick up water vapor from the warm, moist air of tropical regions and then drop the water over land in cooler regions as rain or snow. Christopher Cann, USA Today, 3 Apr. 2025 Safety hazards for those near the eruption include high levels of volcanic gas, primarily water vapor, carbon dioxide, and sulfur dioxide. Anthony Robledo, USA TODAY, 21 Mar. 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 2 May. 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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