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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Water also exists in the air as water vapor, in rivers and lakes, in icecaps and glaciers, in the ground as soil moisture and in aquifers, and even in you and your dog.
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Kurt Snibbe, Oc Register, 8 May 2026
Evaporation humidifiers use wicks and fans to send water vapor into the air.
—Bestreviews, Mercury News, 30 Apr. 2026
When there is already a lot of water vapor in the air, evaporation slows down.
—Yunyao Li, The Conversation, 27 Apr. 2026
Acid rain is formed when sulfur dioxide and nitrogen oxides released into the atmosphere react with oxygen, water and other chemicals to form sulfuric and nitric acids, which can dissolve in water vapor.
—Andrea Thompson, Scientific American, 22 Apr. 2026
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Kurt Snibbe, Oc Register, 8 May 2026
Evaporation humidifiers use wicks and fans to send water vapor into the air.
—Bestreviews, Mercury News, 30 Apr. 2026
When there is already a lot of water vapor in the air, evaporation slows down.
—Yunyao Li, The Conversation, 27 Apr. 2026
Acid rain is formed when sulfur dioxide and nitrogen oxides released into the atmosphere react with oxygen, water and other chemicals to form sulfuric and nitric acids, which can dissolve in water vapor.
—Andrea Thompson, Scientific American, 22 Apr. 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 19 May. 2026.
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