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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
Relative humidity compares how much water vapor is in the air with how much water vapor the air could hold at that temperature.
—Discover Magazine, 8 June 2024
Check out the satellite water vapor imagery this morning and precipitation as of 5am!
—Shaun Goodwin, Idaho Statesman, 3 June 2024
In the atmosphere, warmer air can hold more water vapor, giving rise to even warmer temperatures in turn.
—Christian Thorsberg, Smithsonian Magazine, 31 May 2024
Key Takeaways Humidity is the concentration of water vapor in the air.
—Alyssa Hui, Verywell Health, 30 May 2024
See all Example Sentences for water vapor
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'water vapor.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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 13 Jun. 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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