advection

noun

ad·​vec·​tion ad-ˈvek-shən How to pronounce advection (audio)
: the usually horizontal movement of a mass of fluid (such as air or an ocean current)
also : transport (as of pollutants or plankton) by such movement
advect
ad-ˈvekt How to pronounce advection (audio)
transitive verb
advective
ad-ˈvek-tiv How to pronounce advection (audio)
adjective

Examples of advection 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.
High temperatures will be warmer thanks to a southeast wind and warm air advection pushing temperatures into the low to mid-70s. — Trey Fulbright, CBS News, 8 Oct. 2026 Although numbers vary, between 300 and 400 ships have reportedly collapsed or capsized in the bay’s notorious advection fog. — Kevin Fisher-Paulson, San Francisco Chronicle, 7 Mar. 2023 The Dallas area typically sees advection and radiation fog, but there are exceptions in cases of extreme weather. — Dallas News, 3 Feb. 2023

Word History

Etymology

ad- + (con)vection

First Known Use

1910, in the meaning defined above

Time Traveler
The first known use of advection was in 1910

Rhymes for advection

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Browse Nearby Words

advect
advection
advection fog
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Cite this Entry

“Advection.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/advection. Accessed 20 Oct. 2026.

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More from Merriam-Webster on advection

Britannica.com: Encyclopedia article about advection

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