radiator

noun ra·di·a·tor \ ˈrā-dē-ˌā-tər , dialectal ˈra- \

|Updated on: 21 Jun 2018

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

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Recent Examples of radiator from the Web

For those with older homes that have steam heat radiators, Bulmann points to bins of brass fittings.

— mike nolan, Daily Southtown, "Nailing a sale? Owner of historic hardware store seeks buyer who will keep business running," 11 June 2018
The Ryujin comes with 240mm and 360mm radiators, while the Ryuo ships in 240mm and 120mm sizes.

— gordon mah ung, PCWorld, "Asus adds integrated OLED displays to ROG power supplies and liquid-coolers," 4 June 2018
Much of what goes into Plug Power’s fuel cells comes from abroad, including fans from Japan, radiators from Canada, tanks from Italy and harnesses from Mexico.

— New York Times, "This Factory Was Ready to Expand. Then Came the Trump Trade Wars.," 1 June 2018
All of the iron came from old radiators in the David Whitney building.

— john wisely, Detroit Free Press, "Dog park dedicated to fallen K9 officer Collin Rose," 26 May 2018
The agency is still seeking to diagnose the exact problem, which seems to be a mechanical issue involving the ABI’s cooling pipes and radiator.

— paul voosen, Science | AAAS, "Cooling failure threatens NOAA’s newest weather satellite," 23 May 2018
The shield sits on top of large radiator constructed with a titanium frame.

— beth mole, Ars Technica, "This spacecraft will get closer to the Sun than any before it—without melting," 29 Mar. 2018
When your engine is cold, check your radiator fluid level as well as the reserve tank.

— timothy dahl, Popular Mechanics, "How to Prepare Your Car for a Road Trip in One Day," 18 Aug. 2016
Nissan toughens up the Titan XD Pro-4X with skid plates for the fuel tank, transfer case, radiator and oil pan.

— jeff yip, Houston Chronicle, "Nissan’s hard-working Titan XD outlier delivers bang-for-the-buck," 2 June 2018

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.

First Known Use of radiator

1836

in the meaning defined above

See Words from the same year

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RADIATOR Defined for English Language Learners

radiator

noun

Definition of radiator for English Language Learners

: 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