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
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This protection doesn’t cover everything, however; lighter species of gases — including water vapor — are constantly stripped away by the solar wind, and seen in Venus’s magnetotail.
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Big Think, 5 Feb. 2026
This reaction produces heat and water vapor as by-products, without carbon, nitrogen, or particulate emissions typically associated with fossil fuels.
—Ameya Paleja, Interesting Engineering, 5 Feb. 2026
That rising air cools, and water vapor condenses.
—Andrea Thompson, Scientific American, 4 Feb. 2026
As the ice crystal falls to the ground, water vapor freezes onto the primary crystal, building new crystals, creating the six arms of the snowflake!
—Ray Petelin, CBS News, 31 Jan. 2026
See All Example Sentences for water vapor
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Big Think, 5 Feb. 2026
This reaction produces heat and water vapor as by-products, without carbon, nitrogen, or particulate emissions typically associated with fossil fuels.
—Ameya Paleja, Interesting Engineering, 5 Feb. 2026
That rising air cools, and water vapor condenses.
—Andrea Thompson, Scientific American, 4 Feb. 2026
As the ice crystal falls to the ground, water vapor freezes onto the primary crystal, building new crystals, creating the six arms of the snowflake!
—Ray Petelin, CBS News, 31 Jan. 2026
See All Example Sentences for water vapor
Cite this Entry
“Water vapor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/water%20vapor. Accessed 14 Feb. 2026.
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