主しゅ成せい分ぶん分ぶん析せきMeaningsNoun1. principal component analysis; PCAKanji used主(one's) master成become分part析break apartPitch accentしゅせいぶんぶんせきComposed of主しゅ成せい分ぶんmain ingredient; main componentNoun分ぶん析せきanalysisNoun