物質交代 ぶっしつこうたい Meanings Noun substance metabolism See also: 物質代謝 (ぶっしつたいしゃ). Kanji 物 thing. Read as ブツ. 質 quality. Read as シツ. 交 exchange. Read as コウ. 代 era. Read as タイ. Jinuma: Japanese Dictionary · Word lists