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Definition

overheat verb (TEMPERATURE)

/ˌəʊ.vəˈhiːt/US pronunciation symbol/ˌoʊ.vɚ-/ v
[I or T] to (cause to) become hotter than necessary or wanted
I think the engine is overheating.
It isn't healthy to overheat your house.

(Definition of overheat verb (TEMPERATURE) from the Cambridge Advanced Learner's Dictionary)
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