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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
Strong ARs transport water vapor roughly equivalent to 7.5 to 15 times the average flow of the Mississippi River.
—Nikki Nolan, CBS News, 20 Nov. 2024
As their name suggests, atmospheric rivers are corridors of concentrated water vapor located in the middle atmosphere, about 10,000 to 20,000 feet above the surface.
—Andrew Freedman, Axios, 18 Nov. 2024
The company is also adapting satellite receivers in telecom base stations into a network of weather scanners, which can analyze water vapor, temperature and air pressure.
—Stephen Armstrong, WIRED, 14 Oct. 2024
In reality, scientists say contrails appear when water vapor condenses and freezes around the exhaust from an aircraft.
—Donie O'Sullivan, CNN, 10 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 26 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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