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water vapour

British  

noun

  1. water in the gaseous state, esp when due to evaporation at a temperature below the boiling point Compare steam

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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The colder the air gets the less water vapour it is able to contain.

From BBC Mar. 20, 2026

Firstly, there’s the cooling and condensation process which cools humid air to its dew point, causing water vapour to condense into liquid water.

From BBC May 27, 2024

Conspiracy theorists point to white plumes of water vapour trailing behind passenger airplanes, commonly called contrails, as proof of sinister and secret plots, but lack evidence for their claims.

From BBC Apr. 2, 2024

"Our recent images reveal a substantial quantity of water vapour at a range of distances from the star that include a gap where a planet could potentially be forming at the present time," says Facchini.

From Science Daily Feb. 29, 2024

Clouds, say the text-books of meteorology, are collections of partly condensed water vapour or of fine ice crystals.

From Cavalry of the Clouds by Bott, Alan

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