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



    BrE BrE//ˈfɜːnɪs//
    ; NAmE NAmE//ˈfɜːrnɪs//
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  1. 1a space surrounded on all sides by walls and a roof for heating metal or glass to very high temperatures It's like a furnace (= very hot) in here! see also blast furnace
  2. 2(especially North American English) = boiler
  3. Word OriginMiddle English: from Old French fornais(e), from Latin fornax, fornac-, from fornus ‘oven’.Extra examples The furnaces burned fiercely. There was enough coal to fire the furnaces. Emissions from power stations and industrial furnaces pollute the atmosphere. Iron ore is melted in a blast furnace to extract the metal. You’ll be able to turn the furnace down which means a lower heating bill.
See the Oxford Advanced American Dictionary entry: furnace

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