See it in a sentence
“Her dissertation investigates language learning motivation.”
Learn it well
Teacher tip
Dissertation is common in postgraduate study.
Common mistake
Don’t use dissertation for a short classroom essay.
Learn this word
dissertation
TBC
CEFR C1IELTS 7.0+nounDifficulty 4/5
Definition
A long research project written for a university degree.
In simple English
A major university research paper.