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
Hydrogen and helium atoms are not efficient radiators below several thousand degrees, but molecular hydrogen, H₂, is great at cooling gas at low temperatures.
—
Luke Keller, Space.com, 7 Sep. 2025
The affected vehicles are equipped with a left-side radiator/fan combination where excess fuel may spill into the vehicle fuel-filler pocket and leak onto an ignition source, according to the NHTSA.
—James Powel, USA Today, 2 Sep. 2025
Hydrogen and helium atoms are not efficient radiators below several thousand degrees, but molecular hydrogen, H₂, is great at cooling gas at low temperatures.
—ArsTechnica, 27 Aug. 2025
Fortunately, the fan mounts are offset far enough to the left side of the case that a 240mm-format radiator and a pair of 120mms fans will fit with around 60mm of horizontal distance from the motherboard.
—PC Magazine, 23 Aug. 2025
See All Example Sentences for radiator
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Luke Keller, Space.com, 7 Sep. 2025
The affected vehicles are equipped with a left-side radiator/fan combination where excess fuel may spill into the vehicle fuel-filler pocket and leak onto an ignition source, according to the NHTSA.
—James Powel, USA Today, 2 Sep. 2025
Hydrogen and helium atoms are not efficient radiators below several thousand degrees, but molecular hydrogen, H₂, is great at cooling gas at low temperatures.
—ArsTechnica, 27 Aug. 2025
Fortunately, the fan mounts are offset far enough to the left side of the case that a 240mm-format radiator and a pair of 120mms fans will fit with around 60mm of horizontal distance from the motherboard.
—PC Magazine, 23 Aug. 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 9 Sep. 2025.
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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