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 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 But that story will soon change as models show Karen moving toward areas of high wind shear and dry air where it is expected to lose convection and intensity, the NHC said. Joe Mario Pedersen,, "Tropical Storm Karen weakening, projected to turn toward Florida; Lorenzo becomes major hurricane," 24 Sep. 2019 Usually Arctic air doesn’t hold enough heat to get all that convection. Matt Simon, WIRED, "The Bonkers Tech That Detects Lightning 6,000 Miles Away," 16 Aug. 2019 Other appliances in the vast kitchen include a Cove dishwasher and a Wolf convection steam oven, which is an alternative to microwave cooking and reheating., "2019 Street of Dreams: A new farmhouse with his and her sheds rises in Wilsonville," 1 Aug. 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

15 Jan 2020

Cite this Entry

“Convection.” The Dictionary, Merriam-Webster Inc., Accessed 19 January 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

Comments on convection

What made you want to look up convection? Please tell us where you read or heard it (including the quote, if possible).


to insert between existing elements

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