哲てつ学がく博士はかせMeaningsNoun1. doctor of philosophy; PhDOther readings哲てつ学がく博はく士しKanji used哲philosophy学study博expert士professionalComposed of哲てつ学がくphilosophyNoun博士はかせexpert; learned person; pitch and length marks (to accompany a Buddhist liturgical chant, etc.)Noun