世せ代だい交こう代たいMeaningsNoun1. alternation of generations; heterogenesis (Yojijukugo)2. change of generations; emergence of a new generation (Yojijukugo)Kanji used世world代substitute交minglePitch accentせだいこうたいComposed of世せ代だいgenerationNoun交こう代たいchange; alternation; rotation; replacement; substitution; shift; relief; taking turnsNoun