ra·​di·​a·​tor | \ ˈrā-dē-ˌā-tər How to pronounce radiator (audio) , dialectal ˈra-\

Definition of radiator

: one that radiates: such as
a : any of various devices (such as a series of pipes or tubes) for transferring heat from a fluid within to an area or object outside
b : a transmitting antenna

Examples of radiator in a Sentence

Recent Examples on the Web

His odds only seemed to increase when Scott Dixon was wheeled into the garage with radiator troubles one quarter of the way into the race. Tyler Kraft, Indianapolis Star, "IndyCar: History nearly repeats as Josef Newgarden limps across finish line at Gateway," 25 Aug. 2019 On the outside, the Flying Spur's big gloss-black radiator grill is designed to recall a classic 1957 Bentley. Peter Valdes-dapena, CNN, "Bentley's new Flying Spur sedan can go 207 miles per hour," 12 June 2019 Trays slide out of the case to make mounting radiators and fans easier. Hayden Dingman, PCWorld, "Corsair's Obsidian 1000D case is a luxurious dual-system monster with room for 18 fans," 11 May 2018 So the magnesium radiator support structure hangs on the vehicle providing support. Phoebe Wall Howard, USA TODAY, "Ford to halt all F-150 production, could last weeks," 9 May 2018 Coolant circulates through the engine and absorbs engine heat, which is exchanged with the outside air by way of the radiator. Ben Wojdyla, Popular Mechanics, "How to Fix Your Car's Heater," 21 Feb. 2018 In addition to offering oil changes in about 15 minutes, Valvoline performs preventive maintenance services such as transmission, radiator and air-conditioning services; replacement of wiper blades and light bulbs; and tire rotation. Katherine Feser, Houston Chronicle, "Retail wrap: Victoria Beard, Texan Bank, Methodist Primary Care Group ink new locations," 19 July 2019 High-volume radiator plus oil and transmission coolers are all engineered for police duty. Andrew Wendler, Car and Driver, "2020 Ford Police Interceptor Utility Hybrid AWD Saves Fuel, Hauls Ass," 17 May 2019 At the moment, my son’s passion is melting crayons all over the living room radiator. Jason Gay, WSJ, "An Idiot’s Guide to Bribing and Cheating Your Way Into College," 13 Mar. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'radiator.' 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 radiator

1836, in the meaning defined above

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Statistics for radiator

Last Updated

30 Aug 2019

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Time Traveler for radiator

The first known use of radiator was in 1836

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More Definitions for radiator



English Language Learners Definition of radiator

: a large, metal device that is next to the wall in a room and that becomes hot and provides heat for the room when hot water passes through it
: a device that is used to keep the engine of a vehicle from getting too hot


ra·​di·​a·​tor | \ ˈrā-dē-ˌā-tər How to pronounce radiator (audio) \

Kids Definition of radiator

: a device to heat air (as in a room) or to cool an object (as an automobile engine) by heating the surrounding air

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More from Merriam-Webster on radiator

Rhyming Dictionary: Words that rhyme with radiator

Spanish Central: Translation of radiator

Nglish: Translation of radiator for Spanish Speakers

Britannica.com: Encyclopedia article about radiator

Comments on radiator

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concealment of treason or felony

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