radiator

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

Definition of radiator

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

1836

First Known Use of radiator

1836


RADIATOR Defined for English Language Learners

radiator

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

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


RADIATOR Defined for Kids

radiator

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noun ra·di·a·tor \ˈrā-dē-ˌā-tər\

Definition of radiator for Students

  1. :  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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