論ろん文ぶん博はく士しMeaningsNoun1. doctoral degree (e.g. PhD) by thesis onlyOther readings論ろん文ぶん博士はかせKanji used論argument文written sentence博expert士professionalComposed of論ろん文ぶんthesis; essay; treatise; paper; articleNoun博はく士しdoctor; PhD; Dr.Noun