LEARNit Dictionary
blast furnace
noun
/ˈblɑːst fɜːnɪs/
UK
/ˈblæst fɜːrnɪs/
US
1
a large structure like an oven in which iron ore(= rock containing iron) is reacted with limestone and carbon at high temperatures to form iron
کوره بلند, کوره ذوب آهن