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

: 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

Full Definition of RADIATOR

:  one that radiates: as
a :  any of various devices (as a series of pipes or tubes) for transferring heat from a fluid within to an area or object outside
b :  a transmitting antenna

First Known Use of RADIATOR


Rhymes with RADIATOR

abdicator, abnegator, activator, actuator, adulator, advocator, agitator, alligator, allocator, animator, annotator, applicator, arbitrator, aspirator, aviator, brachiator, buccinator, calculator, calibrator, captivator, carburetor, castigator, circulator, commentator, commutator, compensator, compurgator, concentrator, confiscator, congregator, consecrator, consummator, contemplator, corporator, correlator, cultivator, decorator, defalcator, delegator, demonstrator, denigrator, depredator, desecrater, designator, detonator, deviator, dissipater, dominator, dura mater, educator, elevator, emulator, escalator, estimator, excavator, explicator, expurgator, extirpator, fabricator, fascinator, figure skater, flocculator, formulator, fornicator, fractionator, fumigator, generator, gladiator, hesitater, hibernator, imitator, immolator, impregnator, incubator, indicator, infiltrator, in-line skater, innovator, inhalator, inspirator, instigator, insulator, integrator, lacrimator, liberator, liquidator, literator, lubricator, macerator, masticator, mediator, mitigator, moderator, modulator, motivator, mutilator, navigator, nomenclator, nominator, numerator, obturator, operator, orchestrator, oscillator, peculator, percolator, perforator, perpetrator, pia mater, pollinator, postulator, procreator, procurator, promulgator, propagator, punctuator, re-creator, remonstrator, renovator, resonator, respirator, revelator, roller skater, rubricator, rusticator, salivator, second-rater, selling-plater, separator, simulator, stimulator, subjugator, Sunset Crater, syncopator, syndicator, tabulator, terminator, vaccinator, vacillator, valuator, venerator, ventilator, vindicator, violator, vitiator
RADIATOR Defined for Kids


noun ra·di·a·tor \ˈrā-dē-ˌā-tər\

Definition of RADIATOR for Kids

:  a device to heat air (as in a room) or to cool an object (as an automobile engine) by heating the surrounding air


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