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

Examples of convection in a Sentence

Recent Examples on the Web

The Volcano is a classic (and expensive) vape that uses both convection and conduction heating to create vapor from plant material that's collected in a bag, which then inflates like a balloon. Sarah Jacoby, SELF, "8 of the Best Weed Vaporizers for the Total Beginner," 13 Dec. 2018 The new ones can do the work of four chefs—baking, steaming, grilling, roasting, poaching, broiling, browning, even convection. David Bouley, Town & Country, "Top 5 Kitchen Essentials: From the Steals to the Stratospheric," 23 Feb. 2016 High-Performance Appliances Today, high-efficiency burners and ovens with convection and self-cleaning are really indispensable. Christine Pittel, House Beautiful, "11 Things Every Kitchen Should Have," 8 Dec. 2011 Now downgraded from a hurricane to a tropical storm, Beryl’s convection has been displaced away from the center much of the day. Ian Livingston, Washington Post, "PM Update: Excellent conditions this evening ahead of a cool overnight, then superb on Sunday," 7 July 2018 Unfortunately, things like turbulence (convection) require a full 3D model. Chris Lee, Ars Technica, "Beautiful 3D model of stars explains changes in brightness," 8 Oct. 2018 The sobering reality is the exact location and timing of these often-deadly flash floods, caused by summertime convection, are nearly impossible to predict even an hour or two beforehand. Jeff Halverson, Washington Post, "Anatomy of Tuesday’s devastating flash flood in Frederick," 16 May 2018 Beneath the KitchenAid stacked convection and conventional wall ovens is a warming oven. Joan Walden,, "Property of the Week: 3 Erica Lane, West Simsbury," 20 July 2017 Fit grill with convection plate and set pork on top. Bon Appetit, "Sticky-Sweet Grilled Pork Shoulder," 28 May 2018

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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Last Updated

17 Dec 2018

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Time Traveler for convection

The first known use of convection was circa 1623

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English Language Learners Definition of convection

: 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 \

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 \

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


a knickknack or trinket

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