鉄骨 てっこつ Meanings Noun steel frame; steel beam; steel girder Kanji 鉄 iron. Read as テツ. 骨 bone. Read as コツ. Words containing 鉄骨 鉄骨造 (てっこつぞう) steel construction 鉄骨構造 (てっこつこうぞう) steel-frame construction 鉄骨工事 (てっこつこうじ) steel-frame construction work And 3 more. Jinuma: Japanese Dictionary · Word lists