主しゅ成せい分ぶんTop 30000MeaningsNoun1. main ingredient; main componentKanji used主(one's) master成become分partPitch accentしゅせいぶんComposed of主しゅ(one's) master; (one's) employer; (one's) lord; leader (of a country, group, etc.); head; chief; Lord; main thing; chief part; first consideration; …Noun成せい分ぶんingredient; component; compositionNounUsed in vocabulary主しゅ成せい分ぶん分ぶん析せきprincipal component analysis; PCANoun