dissertation
noun [ C ] uk/ˌdɪs.əˈteɪ.ʃən/ us/ˌdɪs.ɚˈteɪ.ʃən/
C1 专题论文;学位论文
a long piece of writing on a particular subject, especially one that is done in order to receive a degree at college or university
Ann did her dissertation on Baudelaire. 安的论文写的是波德莱尔。
Compare: thesis