原発事故 げんぱつじこ Meanings Noun nuclear power plant accident; nuclear accident Kanji 原 original. Read as ゲン. 発 emit. Read as ハツ. 事 matter 故 cause. Read as コ. Words containing 原発事故 チェルノブイリ原発事故 (チェルノブイリげんぱつじこ) Chernobyl disaster (April, 1986) Jinuma: Japanese Dictionary · Word lists