convection
noun
con·vec·tion
| \ kən-ˈvek-shən
\
\
Definition of convection
1
: the action or process of conveying
2a
: 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
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Other Words from convection
convectional
\ kən-ˈvek-shnəl
, -shə-nᵊl \
adjective
, -shə-nᵊl \
adjective
Examples of convection in a Sentence
Recent Examples on the Web
Those include radiation, convection, conduction, and evaporation (here’s a brief science lesson on how all those work). — Amy Marturana, SELF, "Why Am I So Bad at Exercising in the Heat?," 3 July 2019 Its slow convection drives the steady march of plate tectonics, which sends slabs plummeting into its depths. — National Geographic, "Rugged 'mountains' taller than Everest lurk deep inside Earth," 25 Mar. 2019 The equation closely resembled one in fluid dynamics that describes the convection currents that form in hot oil. — Quanta Magazine, "A Grand Theory of Wrinkles," 8 Apr. 2015 Fog dissipates in a slow convection process involving sunshine and wind, which takes even longer over the cool lake. — Sophie Carson, Milwaukee Journal Sentinel, "Fog consumes lakefront just before Milwaukee fireworks show. But the show goes on!," 3 July 2019 Remove the top oven rack; preheat to 375 degrees (no convection). — Martha Holmberg, Twin Cities, "The secret to a light, airy, textbook souffle? Stop trying so hard.," 5 June 2019 Remove the top oven rack; preheat to 375 degrees (no convection). — Martha Holmberg, The Denver Post, "The secret to a light, airy, textbook souffle? Stop trying so hard.," 5 June 2019 Do not use a convection setting on your oven; the fan may prevent the souffle from rising properly. — Martha Holmberg, Twin Cities, "The secret to a light, airy, textbook souffle? Stop trying so hard.," 5 June 2019 The temperature change is larger at night and smaller during the day, because surface warming and convection driven by the Sun overwhelm the influence of the turbines. — Scott K. Johnson, Ars Technica, "Wind power makes the ground warmer even as it cools the planet," 7 Oct. 2018These example sentences are selected automatically from various online news sources to reflect current usage of the word 'convection.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for convection
convection
noun
English Language Learners Definition of convection
technical
: movement in a gas or liquid in which the warmer parts move up and the colder parts move down
also
: the transfer of heat by this movement
See the full definition for convection in the English Language Learners Dictionary
convection
noun
con·vec·tion
| \ kən-ˈvek-shən
\
\
Kids Definition of convection
: motion in a gas (as air) or a liquid in which the warmer portions rise and the colder portions sink
Heat can be transferred by convection.
convection
noun
con·vec·tion
| \ kən-ˈvek-shən
\
\
Medical Definition of convection
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
Other Words from convection
convectional
\ -shnəl, -shən-ᵊl
\
adjective
\
adjective
convective
\ -ˈvek-tiv
\
adjective
\
adjective
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