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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
Amanda Kooser Mars clouds can be made of frozen water vapor or carbon dioxide (dry ice).
—Amanda Kooser, Forbes, 31 Oct. 2024
Volcanic ash can bury crops, damage livestock health, contaminate soil, and poison water supplies, while SO2 mixes with water vapor to form sulfuric acid, contributing to acid rain, which damages vegetation, soils, and water bodies.
—Nina Turner, Newsweek, 29 Oct. 2024
Among them is a mass spectrometer that, during close passes, could characterize particles ejected from the surface by the constant bombardment of tiny, dust-sized meteoroids, or by hypothesized plumes of water vapor.
—Joel Achenbach, arkansasonline.com, 20 Oct. 2024
Hurricanes are particularly efficient at concentrating large quantities of water vapor and wringing it out at nearly unheard-of rates, as seen in the deluges in the Tampa-St. Petersburg area during Milton and in western North Carolina during Helene.
—Andrew Freedman, Axios, 15 Oct. 2024
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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 21 Nov. 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)
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