大だい変へん革かくMeaningsNoun1. revolution; cataclysm; drastic changeKanji used大large変change革leatherComposed of大だいlarge; big; great; huge; vast; major; important; serious; severe; prominent; …Prefix変へん革かくchange; transformation; reform; revolution; revolutionizing; innovation; upheavalNounExamples1電でん話わの発はつ明めいは我われ々われの生せい活かつに大だい変へん革かくをもたらした。The invention of the telephone caused a revolution in our way of living.