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radiator
noun
anything that radiates; specif.,
- ☆ a series of pipes or coils through which hot water or steam circulates so as to radiate heat into a room, etc.
- ☆ a cooling device of tubes and fins, as in an automobile, through which circulating coolant passes
- any radioactive material or body
- Radio a portion of any transmitting antenna capable of producing radio-frequency energy
See radiator in American Heritage Dictionary 4
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