うちゅうだいばくはつ 宇宙大爆発 LinksSentence search for 宇宙大爆発Sentence search for うちゅうだいばくはつKanji details for 宇, 宙, 大, 爆 and 発Edit in JMdict Noun1. Big Bang (theory) Discussions Log in to talk about this word.