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 Apex kitchen comes equipped with a dual-place induction cooktop, rectangular sink, 12V compressor fridge and convection microwave.
—
C.c. Weiss
may 30, New Atlas, 30 May 2026
Smaller-capacity reactors can be cooled by natural convection, which operates without human intervention in the event of an emergency or a reactor shutdown.
—Ameya Paleja, Interesting Engineering, 27 May 2026
Then comes the Boring Billion, when even mantle convection and tectonic plate movement seem to have been sluggish.
—Scott K. Johnson, ArsTechnica, 26 May 2026
The convection fan also allows an air fryer to significantly reduce cooking time by ensuring the food is surrounded by hot air.
—Bestreviews, Mercury News, 20 May 2026
See All Example Sentences for convection
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C.c. Weiss
may 30, New Atlas, 30 May 2026
Smaller-capacity reactors can be cooled by natural convection, which operates without human intervention in the event of an emergency or a reactor shutdown.
—Ameya Paleja, Interesting Engineering, 27 May 2026
Then comes the Boring Billion, when even mantle convection and tectonic plate movement seem to have been sluggish.
—Scott K. Johnson, ArsTechnica, 26 May 2026
The convection fan also allows an air fryer to significantly reduce cooking time by ensuring the food is surrounded by hot air.
—Bestreviews, Mercury News, 20 May 2026
See All Example Sentences for convection
Cite this Entry
“Convection.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/convection. Accessed 5 Jun. 2026.
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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