苦鉄質 くてつしつ Meanings の-adjective, Noun mafic See also: 珪長質 (けいちょうしつ). Kanji 苦 suffer. Read as ク. 鉄 iron. Read as テツ. 質 quality. Read as シツ. Words containing 苦鉄質 超苦鉄質岩 (ちょうくてつしつがん) ultramafic rock Jinuma: Japanese Dictionary · Word lists