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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Earth’s early atmosphere was mainly a toxic mix of carbon dioxide, nitrogen and water vapor. David Bressan, Forbes, 14 Mar. 2025 If the surface is at least 400° Fahrenheit (well above the boiling point of water), cushions of water vapor, or steam, form underneath them, keeping them levitated. Jennifer Ouellette, Ars Technica, 3 Mar. 2025 And emerging from those gently wafting clouds of water vapor are dishes that are every bit as arresting as those seared over high heat. Amiel Stanek, Bon Appétit, 26 Feb. 2025 These variations from the star can also distort estimates of how much water vapor, for instance, is in a planet’s atmosphere. Robert Lea, Space.com, 6 Feb. 2025 See All Example Sentences for water vapor

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

Browse Nearby Words

Cite this Entry

“Water vapor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/water%20vapor. Accessed 23 Mar. 2025.

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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