radiator
noun
ra·di·a·tor
ˈrā-dē-ˌā-tər 
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
O'Connor recommends hanging them indoors near a heat vent or radiator (of course, abide by fire safety rules).
—
Kate Van Pelt, The Spruce, 5 Jan. 2026
Rather than placing components inside a conventional case, Billet Labs has mounted all the essential PC hardware beneath the radiator.
—Kaif Shaikh, Interesting Engineering, 30 Dec. 2025
Founded in 1936 as a radiator manufacturer in Kawasaki, Japan, the company now served four continents, specializing in heat-exchange technology, engineering and design for the agricultural, construction equipment and auto industry.
—Stuart Dyos, Nashville Tennessean, 11 Dec. 2025
Keep your plant away from cold drafts, such as those near doors or windows, and away from heat sources like vents, radiators, and fireplaces.
—Lynn Coulter, Better Homes & Gardens, 7 Dec. 2025
See All Example Sentences for radiator
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Kate Van Pelt, The Spruce, 5 Jan. 2026
Rather than placing components inside a conventional case, Billet Labs has mounted all the essential PC hardware beneath the radiator.
—Kaif Shaikh, Interesting Engineering, 30 Dec. 2025
Founded in 1936 as a radiator manufacturer in Kawasaki, Japan, the company now served four continents, specializing in heat-exchange technology, engineering and design for the agricultural, construction equipment and auto industry.
—Stuart Dyos, Nashville Tennessean, 11 Dec. 2025
Keep your plant away from cold drafts, such as those near doors or windows, and away from heat sources like vents, radiators, and fireplaces.
—Lynn Coulter, Better Homes & Gardens, 7 Dec. 2025
See All Example Sentences for radiator
Cite this Entry
“Radiator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radiator. Accessed 11 Jan. 2026.
Copy CitationKids Definition
radiator
noun
ra·di·a·tor
ˈrād-ē-ˌāt-ər
: 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
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