noun🔗ShareAn industrial heating device, e.g. for smelting metal or baking ceramics."The steel factory uses powerful furnaces to melt iron ore. "industrydevicemachinetechnologybuildingmaterialutilityChat with AIVocabulary GamePractice Reading
noun🔗ShareA device that provides heat for a building; a space heater."When the winter weather turned frigid, the furnaces in our homes worked overtime to keep us warm. "utilitybuildingdevicetechnologyenergyChat with AIVocabulary GamePractice Reading
noun🔗ShareAny area that is excessively hot."Example Sentence: "During the summer heatwave, our classrooms became furnaces, making it hard to concentrate." "areaenvironmentenergyChat with AIVocabulary GamePractice Reading
noun🔗ShareA place or time of punishment, affliction, or great trial; severe experience or discipline."The students described their final exams as furnaces of intense pressure. "sufferingconditionsituationtimetheologyChat with AIVocabulary GamePractice Reading