発はっ光こう分ぶん光こう法ほうMeaningsNoun1. emission spectrographyKanji used発let out光ray分part法lawComposed of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法ほうlaw; act; principle; method; mood; dharmaNoun