furnace
🇺🇸
/ˈfɜːrnɪs/
🇬🇧
/ˈfɜːnɪs/
a very hot enclosed space for heating metal or glass
The metal was melted in the furnace to make tools.
金属は工具を作るために炉で溶かされた。
a device that heats water for buildings or makes steam for engines
The furnace in our house keeps us warm during winter.
私たちの家の暖房装置は冬の間、私たちを暖かく保つ。