thesis Definition

thesis
noun theses

1. A long written dissertation or report, especially one based on original research and presented for an advanced university degree such as the MSc, MLitt or PhD.

Thesaurus: dissertation, paper, study, research, exposition.
2. An idea or proposition to be supported or upheld in argument.

Thesaurus: argument, hypothesis, opinion, belief, principle, position.
3. An unproved statement put forward as a basis for argument or discussion.

Etymology: 16c: Greek, meaning ‘a setting down'.