突とつ然ぜん変へん異い説せつMeaningsNoun1. mutationismKanji used突thrust然sort of thing変change異different説theoryPitch accentとつぜんへんいせつComposed of突とつ然ぜん変へん異いmutationNoun説せつtheory; doctrine; opinion; view; rumour; rumor; gossip; hearsayNoun