also: ろんぶんはくし
noun
doctoral degree by thesis only; PhD by dissertation
Refers to a doctorate earned by submitting a thesis without completing a formal doctoral program. Common in Japanese academia, often contrasted with 課程博士 (course-based doctorate).
彼は論文博士として学位を取得した。
He earned his doctoral degree by thesis only.
論文博士と課程博士
What is the difference between a thesis-based doctorate and a course-based doctorate?