convection

noun

con·​vec·​tion kən-ˈvek-shən How to pronounce convection (audio)
1
: the action or process of conveying
2
a
: movement in a gas or liquid in which the warmer parts move up and the cooler parts move down
convection currents
b
: the transfer of heat by convection
foods cooked by convection
compare conduction, radiation
convectional
kən-ˈvek-shnəl How to pronounce convection (audio)
-shə-nᵊl
adjective

Examples of convection 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.
Heat oven to 350 degrees, or convection or air fryer toaster oven to 325. Faye Levy, Oc Register, 9 Sep. 2025 The eat-in kitchen features Calacatta Monet marble countertops, a Sub-Zero refrigerator, and a convection steam oven. Wendy Bowman, Robb Report, 5 Sep. 2025 On Earth, tectonic plates churn up and recycle our planet's interior through a process known as convection that would smooth out such lumps at a faster rate. Eric Lagatta, USA Today, 4 Sep. 2025 Baking something in a regular oven versus one turned to convection can easily ruin a recipe. Alana Al-Hatlani, Southern Living, 31 Aug. 2025 See All Example Sentences for convection

Word History

Etymology

Late Latin convection-, convectio, from Latin convehere to bring together, from com- + vehere to carry — more at way

First Known Use

circa 1623, in the meaning defined at sense 1

Time Traveler
The first known use of convection was circa 1623

Browse Nearby Words

Cite this Entry

“Convection.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/convection. Accessed 13 Sep. 2025.

Kids Definition

convection

noun
con·​vec·​tion kən-ˈvek-shən How to pronounce convection (audio)
: motion in a gas or liquid in which the warmer portions rise and the colder portions sink
also : the transfer of heat by this motion
convectional
-shnəl How to pronounce convection (audio)
-shən-ᵊl
adjective
convective
-ˈvek-tiv
adjective

Medical Definition

convection

noun
con·​vec·​tion kən-ˈvek-shən How to pronounce convection (audio)
1
: the circulatory motion that occurs in a fluid at a nonuniform temperature owing to the variation of its density and the action of gravity
2
: the transfer of heat by convection in a fluid
convectional adjective
convective adjective

More from Merriam-Webster on convection

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