ad·vec·tion
ad-ˈvek-shən 
: 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
ad·vect
(ˈ)ad-¦vekt
-ed/-ing/-s
: to move or transport (a fluid, such as a mass of air or ocean water) by means of advection
advect heat
currents advecting warm water into the cooler Eastern Pacific
The measured relations between the concentrations of O3 and CO in the air advected over the North Atlantic … provide the basis to estimate the amount of O3 exported from North America.—
David D. Parrish et al., Science, 5 Mar. 1993
David D. Parrish et al., Science, 5 Mar. 1993Examples of advection in a Sentence
Recent Examples on the Web
Trey Fulbright, CBS News, 21 Jan. 2026
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
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
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Noun
On Thursday, some lingering flurries and snow showers are possible from roughly State Route 422 north to Interstate 80 as cold air advection begins to increase atop Lake Erie, coupled with a weak wave in the atmosphere.
—Trey Fulbright, CBS News, 21 Jan. 2026
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
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
Cite this Entry
“Advection.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/advection. Accessed 10 Jun. 2026.
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