1.TIFa large container for a very hot fire, used to produce power, heat, or liquid metal 〔用于产生动力、热量或用以熔化金属的〕火炉；熔炉
2.a piece of equipment used to heat a building 〔给建筑物供暖的〕锅炉
Examples from the Corpus
furnace• A furnace exploded all over him.• But if an application is made to patent a computer-controlled furnace it may well succeed and be granted a patent.• It has a very high viscosity which requires that it be raised to about 250-F to pump and spray into the furnace.• For that matter, where is the furnace?• The whine of the furnace reaction stepped up yet again.