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English definition of “furnace”


noun [C]     /ˈfɜː.nɪs/ US  /ˈfɝː-/
a container that is heated to a very high temperature, so that substances that are put inside it, such as metal, will melt or burn: People who work with furnaces in a steel factory need to wear protective clothing. This room's like a furnace (= is very hot)!Heaters and burners US a piece of equipment for heating a building: It's cold in here - should I turn on the furnace?Heaters and burners
(Definition of furnace noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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