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
Sofas, beds and curtains pushed close to baseboard heaters or radiators can trap dust and sit dangerously close to a heat source.
—
Lauren Jarvis-Gibson, Sacbee.com, 8 May 2026
Even then the metal was sanded finely and in the Lucca’s case the radiator and spoked wheels were fitted with covers for improved aerodynamics.
—New Atlas, 8 May 2026
Check the clearance between soft surfaces and any heat source as the seasons change, and vacuum behind and under furniture that lives near a vent or radiator.
—Lauren Jarvis-Gibson, Charlotte Observer, 8 May 2026
To manage thermal loads and propulsion, the craft will employ lightweight composite-titanium radiators and an advanced 48-kW electric propulsion system, which also doubles as the primary spacecraft bus for communications and power distribution.
—Mrigakshi Dixit, Interesting Engineering, 23 Apr. 2026
See All Example Sentences for radiator
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Lauren Jarvis-Gibson, Sacbee.com, 8 May 2026
Even then the metal was sanded finely and in the Lucca’s case the radiator and spoked wheels were fitted with covers for improved aerodynamics.
—New Atlas, 8 May 2026
Check the clearance between soft surfaces and any heat source as the seasons change, and vacuum behind and under furniture that lives near a vent or radiator.
—Lauren Jarvis-Gibson, Charlotte Observer, 8 May 2026
To manage thermal loads and propulsion, the craft will employ lightweight composite-titanium radiators and an advanced 48-kW electric propulsion system, which also doubles as the primary spacecraft bus for communications and power distribution.
—Mrigakshi Dixit, Interesting Engineering, 23 Apr. 2026
See All Example Sentences for radiator
Cite this Entry
“Radiator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radiator. Accessed 13 May. 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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