radiator

noun

ra·​di·​a·​tor ˈrā-dē-ˌā-tər How to pronounce radiator (audio)
 dialectal  ˈra-
: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Torres at some point ran out of air and either walked or crawled between a radiator and a couch in the living room, according to the report. Justin Muszynski, Hartford Courant, 27 May 2025 The wider mouth allows more airflow to the new inner ducts, optimizing aerodynamics and improving the efficiency of the front radiators. Mark Ewing, Forbes.com, 14 May 2025 Lauren explained that the New York Police Department found Chip, eight weeks old at the time, tied to a radiator during a search warrant at his previous home. Josh Hammer, Newsweek, 19 Mar. 2025 The front end features a new bumper with an integrated splitter, designed at the customer’s request to increase downforce, accelerating airflow to the inner radiator ducts. Mark Ewing, Forbes.com, 14 May 2025 See All Example Sentences for radiator

Word History

First Known Use

1836, in the meaning defined above

Time Traveler
The first known use of radiator was in 1836

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Cite this Entry

“Radiator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radiator. Accessed 31 May. 2025.

Kids Definition

radiator

noun
ra·​di·​a·​tor ˈrād-ē-ˌāt-ər How to pronounce radiator (audio)
: one that radiates
especially : any of various devices (as a set of pipes or tubes) for transferring heat from a fluid within to an area or object outside

More from Merriam-Webster on radiator

Last Updated: - Updated example sentences
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