Definition of blast furnace noun from the Oxford Advanced Learner's Dictionary


blast furnace

BrE BrE//ˈblɑːst fɜːnəs//
; NAmE NAmE//ˈblæst fɜːrnəs//
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a large structure like an oven in which iron ore (= rock containing iron) is melted in order to take out the metal
See the Oxford Advanced American Dictionary entry: blast furnace