: 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

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.
There are many different kinds of frost: crystalline (hoar) frost, white frost, black frost, advection frost, and the frost that forms on glass windows, to name a few. Jennifer Ouellette, Ars Technica, 8 Dec. 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

Browse Nearby Words

Cite this Entry

“Advection.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/advection. Accessed 22 Mar. 2025.

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