con·​vec·​tion | \ kən-ˈvek-shən How to pronounce convection (audio) \

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 How to pronounce convectional (audio) , -​shə-​nᵊl \ adjective

Examples of convection in a Sentence

Recent Examples on the Web To make the salad: Preheat the oven to 400 degrees (use the convection bake setting if your oven has it). Jessica Battilana,, "Repertoire: Indonesian gado-gado a gateway salad," 30 Aug. 2019 Rain falling onto the bay itself cools the surface layer enough to limit the convection that would produce more rain for a while before the surface heats back up again. The Economist, "The South Asian monsoon, past, present and future," 27 June 2019 Just take a look at our favorite five choices: Understand the Two-Zone Setup The best way to get the versatility of both very hot direct radiant heat and ovenlike indirect convection heat is to create the two-zone system. Jeff Csatari, Popular Mechanics, "The Ultimate Grilling Guide," 30 Aug. 2019 The event, known as thundersnow, occurs when the upward motion of air — convection — happens during a winter storm. Max Cohen, USA TODAY, "Snow and thunder make for a pretty rare storm in the Texas Panhandle," 9 Oct. 2019 First, it is filled with gas bubbles; gases conduct heat less effectively than either liquids or solids, and trapping the gas in small bubbles prevents the gas from effectively transferring heat via convection. Meredith Fore, WIRED, "What Makes a Good Cooler (According to Physics)?," 3 July 2019 When ready to assemble the tarte, heat the oven to 370 degrees (340-350 if using convection). Bill St. John, The Denver Post, "Get Cooking: The happy accident of tarte Tatin," 16 Oct. 2019 The storm then curved through the northeastern United States impacting Georgia, North and South Carolina and Virginia losing convection on Sept. 29 in the Atlantic. Joe Mario Pedersen,, "Hurricanes don’t ask for directions: a list of the weirdest storm paths," 27 Sep. 2019 The Okhotsk sea ice decline jeopardizes that giant convection current. Author: Simon Denyer, Chris Mooney, Anchorage Daily News, "The climate chain reaction that threatens the heart of the Pacific," 13 Nov. 2019

These 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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First Known Use of convection

circa 1623, in the meaning defined at sense 1

History and Etymology for convection

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

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Time Traveler for convection

Time Traveler

The first known use of convection was circa 1623

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Statistics for convection

Last Updated

12 Feb 2020

Cite this Entry

“Convection.” Dictionary, Merriam-Webster, Accessed 26 Feb. 2020.

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How to pronounce convection (audio)

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


con·​vec·​tion | \ kən-ˈvek-shən How to pronounce convection (audio) \

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.


con·​vec·​tion | \ kən-ˈvek-shən How to pronounce convection (audio) \

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 How to pronounce convectional (audio) \ adjective
convective \ -​ˈvek-​tiv How to pronounce convective (audio) \ adjective

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More from Merriam-Webster on convection

Rhyming Dictionary: Words that rhyme with convection

Spanish Central: Translation of convection

Nglish: Translation of convection for Spanish Speakers

Britannica English: Translation of convection for Arabic Speakers Encyclopedia article about convection

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