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 sealed and pressurized motorcycle system has a much lower thermal differential, and needs both a higher coolant flow rate and effective radiators. —New Atlas, 31 Oct. 2024

Their shape assists the airflow from the front wheel arches into the high-temperature radiators, and provides an extra 100 millimeteres of cooling space. —Jason Barlow, WIRED, 6 Oct. 2024

With its graceful horseshoe radiator, boat-tail body, and pert proportions, the Type 35, which could be ordered with lights and fenders and driven on the road, is the definitive vintage Bugatti. —Robert Ross, Robb Report, 28 Sep. 2024

Take videos of radiators, heaters, or vents, and get suggestions for upgrades like installing programmable thermostats, sealing drafts, or even switching to more efficient heating systems. —Jaime Catmull, Forbes, 30 Oct. 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