Meaning of “blast furnace” in the English Dictionary

british dictionary

"blast furnace" in British English

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blast furnacenoun [ C ]

uk /ˈblɑːst ˌfɜː.nɪs/ us /ˈblæst ˌfɝː.nɪs/

a container in which iron is produced by blowing extremely hot air through a mixture of iron ore, coke, and limestone

(Definition of “blast furnace” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)