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TOEFL BNC: 17640 COCA: 16075

convection

convection /kənˈvɛkʃən/ noun
convection
/kənˈvɛkʃən/
noun
Learner's definition of CONVECTION
[noncount] technical
: movement in a gas or liquid in which the warmer parts move up and the colder parts move down(气体或液体的)对流
also : the transfer of heat by this movement对流加热;热对流
TOEFL BNC: 17640 COCA: 16075

convection

noun

con·​vec·​tion kən-ˈvek-shən How to pronounce convection (audio)
1
: the action or process of conveying
2
a
: 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
convectional
kən-ˈvek-shnəl How to pronounce convection (audio)
-shə-nᵊl
adjective

Example Sentences

Recent Examples on the Web Both methods rely on infrared radiation, or waves of energy, McGee says, though in broiling there is some convection via the air between the heating element and the food. Washington Post, 15 May 2021 The modernized kitchen now features a Sub-Zero refrigerator, Thermador double convection ovens and two sinks. Kellie Speed, Forbes, 11 July 2022 In that same amount of time, the frenetic convection and spinning cool the neutron star off, shutting off the dynamo mechanism. Paul Sutter, Ars Technica, 17 June 2022 Dupree believes that the star’s interior convection cells that drive the pulsation are still reverberating from the blast and compared it to the sloshing of an unbalanced washing machine tub. Ashley Strickland, CNN, 12 Aug. 2022 Newer settings range from air fry to convection to steam cook. Nicole Papantoniou, Good Housekeeping, 26 July 2022 Right now, Amazon is having a crazy-good sale on select Ninja appliances, from air fryers and convection ovens to coffee makers and indoor grills. Kylee Mcguigan, Popular Mechanics, 21 July 2022 There are four main types of thunderstorms, each classified by the quantity and behavior of their convection cells. Anna Kaufman, USA TODAY, 16 July 2022 Preheat the oven to 300 F (convection mode is preferable, but not mandatory). Robin Miller, The Arizona Republic, 17 June 2022 See More

Word History

Etymology

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

First Known Use

circa 1623, in the meaning defined at sense 1

Time Traveler
The first known use of convection was circa 1623
TOEFL BNC: 17640 COCA: 16075

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