convection
noun
con·vec·tion
kən-ˈvek-shən 
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
Examples of convection in a Sentence
Recent Examples on the Web
Baking something in a regular oven versus one turned to convection can easily ruin a recipe.
—
Alana Al-Hatlani, Southern Living, 31 Aug. 2025
In this model, our planet was covered for its first 2 to 3 billion years by a rigid, immobile outer shell with convection processes occurring beneath it in Earth’s mantle.
—David Bressan, Forbes.com, 31 Aug. 2025
That air eventually rises far enough to cool and create clouds and thunderstorms—a process called convection.
—Meghan Bartels, Scientific American, 21 Aug. 2025
The process created tiny structures that boosted heat dissipation through both radiation and convection, doubling the cooling performance of a standard aluminum dissipator.
—Neetika Walter, Interesting Engineering, 13 Aug. 2025
See All Example Sentences for convection
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Alana Al-Hatlani, Southern Living, 31 Aug. 2025
In this model, our planet was covered for its first 2 to 3 billion years by a rigid, immobile outer shell with convection processes occurring beneath it in Earth’s mantle.
—David Bressan, Forbes.com, 31 Aug. 2025
That air eventually rises far enough to cool and create clouds and thunderstorms—a process called convection.
—Meghan Bartels, Scientific American, 21 Aug. 2025
The process created tiny structures that boosted heat dissipation through both radiation and convection, doubling the cooling performance of a standard aluminum dissipator.
—Neetika Walter, Interesting Engineering, 13 Aug. 2025
See All Example Sentences for convection
Cite this Entry
“Convection.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/convection. Accessed 6 Sep. 2025.
Copy CitationKids Definition
convection
noun
con·vec·tion
kən-ˈvek-shən
: 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
convective
adjective
-ˈvek-tiv
Medical Definition
convection
noun
con·vec·tion
kən-ˈvek-shən
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
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