無む作さく為い化か比ひ較かく試し験けんMeaningsNoun1. randomized controlled trialKanji used無nothing作make為for the sake of化transformation比compare (things of the same type)較thoroughly compare試test験verificationComposed of無む作さく為いrandom; unintentional; unintendedNo-adjective化かchange to ...; becoming ...; making into ...; -ization; -ificationSuffix比ひ較かくcomparisonNoun試し験けんexamination; exam; test; trial; experimentNoun