noun
Definition 1
Dissertation, especially one by candidate for a doctorate.
Source: Invertext, from Concise Oxford Dictionary
Context: In Australia, doctoral theses are usually examined by three examiners.
Source: en.wikipedia.org
Definition 2
Proposition to be maintained.
Source: Concise Oxford Dictionary
Context: What emerges then from this alternative understanding of Schumpeter's thesis should be neither surprising, nor entirely original.
Source: Entrepreneurship, economic evolution, and the end of capitalism: reconsidering Schumpeter's thesis (thefreelibrary.com)