water vapor

noun

Definition of water vapor

: 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

Dew points hovered in the mid- to upper 70s throughout the day, meaning that is the temperature to which the air would have to cool for water vapor to condense. Scott Dance, baltimoresun.com, "‘Oppressive’ humidity is making for dangerous conditions as a heat wave roils U.S. Here’s how it works.," 19 July 2019 When water vapor condenses to form clouds, latent heat (energy) is released, which helps storms intensify by warming the surrounding air and causing instability. Molly Rubin, Quartz, "Hurricane vocabulary: The difference between a typhoon, a cyclone, and a tropical storm," 12 July 2019 The icy plumes form when water vapor in the air gathers and condenses on soot particles in aircraft engine exhaust. NBC News, "Do airplane contrails add to climate change? Yes, and the problem is about to get worse.," 28 July 2019 Corn stalks suck up water from their roots and then release that moisture in the form of water vapor through small pores, called stomata, on the surface of their leaves. Jeff Berardelli, CBS News, ""Corn sweat" makes heat wave even more dangerous," 22 July 2019 Nifty Nano Canadian researchers introduced another water-harvesting mesh, this one using carbon nanotubes to separate water vapor from air. Stephen Ornes, Discover Magazine, "State of Science: A Flood of New Solar Water Harvesters," 1 Jan. 2019 Dew points — a measure of water vapor in the air — are also another weather condition to consider when being outdoors for several hours. Dallas News, "Here’s what you might not know about dehydration in the summer heat," 24 July 2019 The ring of clouds at the base of the plume appears to be water vapor, according to the space agency. Fox News, "Raikoke volcano seen erupting in incredible image from space," 25 June 2019 That band — 24 gigahertz — sits right next to one that federal scientists use to detect water vapor emissions in the atmosphere. Susanne Rust, latimes.com, "Will Trump’s 5G push interfere with forecasting deadly storms in California and U.S.?," 20 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'water vapor.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of water vapor

15th century, in the meaning defined above

Keep scrolling for more

Keep scrolling for more

More Definitions for water vapor

water vapor

noun

Medical Definition of water vapor

: water in a vaporous form especially when below boiling temperature and diffused (as in the atmosphere)