原げん子し爆ばく発はつMeaningsNoun1. atomic explosionKanji used原original子child爆explosion発let outComposed of原げん子しatomNoun爆ばく発はつexplosion; detonation; blast; blowing up; eruption; outburst (of emotion); explosion (e.g. of anger); eruption (e.g. of discontent)Noun