1. 〔囲炉裏〕a sunken hearth (cut in the middle of the floor);〔暖炉〕a fireplace;〔かまど〕a furnace ⇒いろり(囲炉裏)
    • 原子炉
    • a (nuclear) reactor
    • 溶鉱炉
    • a smelting furnace
    • 炉を切る
    • make a sunken fireplace in the floor
    • どうぞ炉で暖まってください
    • Please warm yourself at the hearth [fireplace].
  1. 炉座〔星座〕the Furnace; Fornax