[ˈθiːsɪs], (Noun)

Definitions:
- a statement or theory that is put forward as a premise to be maintained or proved
(e.g: his central thesis is that psychological life is not part of the material world)

- a long essay or dissertation involving personal research, written by a candidate for a university degree
(e.g: a doctoral thesis)

- an unstressed syllable or part of a metrical foot in Greek or Latin verse


Phrases:

Origin:
late Middle English (in thesis): via late Latin from Greek, literally ‘placing, a proposition’, from the root of tithenai ‘to place’