博はく士し論ろん文ぶんMeaningsNoun1. doctoral dissertation; doctoral thesisOther readings博士はかせ論ろん文ぶんKanji used博expert士professional論argument文written sentenceComposed of博はく士しdoctor; PhD; Dr.Noun論ろん文ぶんthesis; essay; treatise; paper; articleNounExamples1彼かれは博士はかせ論ろん文ぶんを月げつ末まつまでに教きょう授じゅに提てい出しゅつしなければならない。His doctoral thesis must be submitted to the professor by the end of the month.