無機物 むきぶつ Meanings Noun inorganic matter; inorganic substance See also: 有機物 (ゆうきぶつ). inorganic compound See also: 無機化合物 (むきかごうぶつ). Kanji 無 without. Read as ム. 機 machine 物 thing. Read as ブツ. Jinuma: Japanese Dictionary · Word lists