原げん子し発はっ光こう分ぶん光こうMeaningsNoun1. atomic emission spectroscopy; AESKanji used原original子child発let out光ray分partComposed of原げん子しatomNoun発はっ光こうemission (of light); radiation (of light); luminescenceNoun分ぶん光こうseparation of light into its spectral components; dispersionNoun