noun
- long formal written works presenting original research, especially those submitted for a doctoral degree
Usage: academic
Examples
- The graduate students spent years working on their dissertations.
- She defended her dissertation on medieval literature last month.
- The library has a collection of doctoral dissertations from the past century.
- His dissertation examined the effects of climate change on coral reefs.
- Many dissertations are now available online through university databases.
- The committee approved her dissertation proposal after several revisions.