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English definition of “overheat”

overheat

verb [I or T] (TEMPERATURE)    /ˌəʊ.vəˈhiːt/ US  /ˌoʊ.vɚ-/
to (cause to) become hotter than necessary or wanted: I think the engine is overheating. It isn't healthy to overheat your house.Hot and heatSultriness and humidity
(Definition of overheat verb (TEMPERATURE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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