dissertation به انگلیسی

From Longman Dictionary

dis‧ser‧ta‧tion /ˌdɪsəˈteɪʃən $ ˌdɪsər-/ ●○○ noun [countable]
a long piece of writing on a particular subject, especially one written for a university degree

Example
This gives the user the opportunity to produce an index to a long document such as a report or a dissertation
In effect, such an order intends that all dissertations and papers will be submitted for vetting
His dissertation on feline neural disorders would waIt
Limitations of space preclude a lengthy dissertation on what is a vast subject
This covers matriculation, tuition and one diet of examinations including examination of a postgraduate thesis or dissertation