crucible furnace
Technical term for a furnace that uses a crucible to melt or heat materials, especially in metallurgy and chemistry.
Melt metal in a crucible furnace.
Standard kanji spelling for a crucible furnace.
Mixed kana-kanji spelling; 坩堝 is sometimes written in kana for readability.
Compound of 坩堝 (るつぼ, 'crucible') + 炉 (ろ, 'furnace'). The exact origin of るつぼ is uncertain, but it may be related to Portuguese 'crisol' or Dutch 'kroes'.