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
The problem is that the early Moon's small core had a mantle that wasn't much cooler than its core, so there would not have been significant convection to produce a sufficiently strong dynamo.
—
Jennifer Ouellette, ArsTechnica, 23 May 2025
Due to convection currents, the higher the ceiling is, the easier the filtration process.
—Aksha Mittapalli, Better Homes & Gardens, 21 May 2025
Using new fluid dynamic modeling, researchers show that Venus' crust could support convection.
—Samantha Mathewson, Space.com, 4 Apr. 2025
The crust of volcanically active Venus could be churning with convection currents just like the Earth's mantle.
—Josh Hammer, MSNBC Newsweek, 1 Apr. 2025
See All Example Sentences for convection
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Jennifer Ouellette, ArsTechnica, 23 May 2025
Due to convection currents, the higher the ceiling is, the easier the filtration process.
—Aksha Mittapalli, Better Homes & Gardens, 21 May 2025
Using new fluid dynamic modeling, researchers show that Venus' crust could support convection.
—Samantha Mathewson, Space.com, 4 Apr. 2025
The crust of volcanically active Venus could be churning with convection currents just like the Earth's mantle.
—Josh Hammer, MSNBC Newsweek, 1 Apr. 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 7 Jun. 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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