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

Other Words from convection

convectional \ kən-​ˈvek-​shnəl How to pronounce convection (audio) , -​shə-​nᵊl \ adjective

Examples of convection in a Sentence

Recent Examples on the Web These westerly winds bring moisture over Indian land, thus further enhancing the convection. Anusha Krishnan, Quartz, 30 May 2022 Enhanced convection was observed over the Philippines, also consistent with La Niña. Los Angeles Times, 26 May 2022 The afternoon features chances of thunderstorms as daytime heating kicks up convection. oregonlive, 6 May 2022 Airfry, broil, bake, roast, dehydrate, reheat, rotisserie, toast, warm and convection. Josie Howell |, al, 29 Apr. 2022 This organized convection is what allows warmer, deep material to make its way to the surface and draws cooler material from the surface to the interior. John Timmer, Ars Technica, 11 Jan. 2022 Research led by Alexander Fedorchenko from the Czech Academy of Sciences discovered that this type of convection was a result of uneven heating. Courtney Linder, Popular Mechanics, 2 May 2022 These convection ovens, which started becoming a must-have kitchen gadget in 2017, continue to sell and have even inspired fans including Drew Barrymore to add air fryers to their own home product line. Dwyer Frame,, 14 Apr. 2022 The complicating factor for Wednesday’s severe storms will be widespread morning convection that could muddy the forecast and impact coverage and evolution of storms later in the day. NBC News, 11 Apr. 2022 See More

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.

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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Dictionary Entries Near convection



convection current

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Statistics for convection

Last Updated

18 Jun 2022

Cite this Entry

“Convection.” Dictionary, Merriam-Webster, Accessed 28 Jun. 2022.

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More Definitions for convection


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

More from Merriam-Webster on convection

Nglish: Translation of convection for Spanish Speakers

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


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