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

These radiators cool the circulating liquid and pump it back into the IX700. —John Burek, PC Magazine, 28 May 2025

Avoid storing your shoes near direct heat sources, such as radiators, heaters, or fireplaces. —Katelyn Squiers, Better Homes & Gardens, 18 May 2025

Using heating pads or electric blankets, sitting too close to space heaters or radiators, and using laptops on the lap are reported causes of this condition. —Mark Gurarie, Verywell Health, 5 May 2025

Photo : Mercedes-Benz AG The color Race Gold festoons the outline of the radiator grille and front fenders, among other elements of the car. —Viju Mathew, Robb Report, 4 May 2025

Word History

First Known Use

1836, in the meaning defined above

Rhymes for radiator

• activator
• actuator
• agitator
• alligator
• allocator
• alternator
• animator
• annotator
• applicator
• arbitrator
• aspirator
• aviator

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