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- Dictionaryradiator/ˈreɪdɪeɪtə/
noun
- 1. a thing that radiates or emits light, heat, or sound: "a dipole is a less efficient radiator of sound than a monopole"
- 2. an engine-cooling device in a motor vehicle or aircraft consisting of a bank of thin tubes in which circulating water is cooled by the surrounding air: "the water in my car radiator froze"
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