ようこうろ 溶鉱炉 LinksSentence search for 溶鉱炉Sentence search for ようこうろSentence search for 熔鉱炉Sentence search for 鎔鉱炉Kanji details for 溶, 鉱 and 炉Edit in JMdict Noun1. smelting furnace; blast furnaceOther forms熔鉱炉 【ようこうろ】、鎔鉱炉 【ようこうろ】Notes鎔鉱炉: Rarely-used kanji form. Discussions Log in to talk about this word.