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 Its origins are related to the concept of exhalation, smoke, or something rising, reflecting the physical properties of steam as water vapor. Erik Kain, Forbes, 22 Sep. 2024 This is because a warmer atmosphere can hold more water vapor, which provides added moisture and energy to storm systems. Kathryn Varn, Axios, 5 Sep. 2024 Extreme rainfall is becoming more common as fossil fuel pollution pushes temperatures higher and bolsters the atmosphere’s ability to store more water vapor. Alisha Ebrahimji, CNN, 30 July 2024 The Energy Department says hydrogen, once produced, can generate power in a fuel cell, emitting only water vapor and warm air. Eleanor Pringle, Fortune, 18 July 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 5 Oct. 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)
Last Updated: - Updated example sentences
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