博はく物ぶつ学がくMeaningsNoun1. natural historyKanji used博expert物thing学studyPitch accentはくぶつがくComposed of博はく物ぶつnatural history; wide learning; broad area of learningNoun学がくlearning; scholarship; study; erudition; knowledge; education; study of ...; -ology; -icsNoun