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

The year-round rustic-modern home in the Catskills has smart features, high-velocity electric HVAC, European radiators, wood floors, high ceilings, a spiral staircase, large windows framing mountain views, a forest-green kitchen, and a finished basement. —The Week Us, theweek, 7 Feb. 2024

Staying warm indoors:Micro-environments and radiator hacks among tips during frigid winter The DNR guide recommends cleaning the blade between plants to prevent cross-infection and the spread of diseases. —Amelia Benavides-Colón, Detroit Free Press, 22 Jan. 2024

The body regulates temperature and blood pressure; a radiator regulates a car’s engine; and the government frames standards for every aspect of the modern market, from bacteria in food to fraud in banking. —James K. Galbraith, Foreign Affairs, 14 Jan. 2019

Too narrow to fit 140mm fans, the View 270 TG ARGB’s side radiator mount is drilled to accept 120mm fans only, such as the ARGB models included in our test case. —PCMAG, 1 June 2024

Word History

First Known Use

1836, in the meaning defined above

Kids 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