Definition of thesis noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈθiːsɪs//
    ; NAmE NAmE//ˈθiːsɪs//
    (pl. theses
    BrE BrE//ˈθiːsiːz//
    ; NAmE NAmE//ˈθiːsiːz//
    Exams and degrees, Experiments and research
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  1. 1thesis (on something) a long piece of writing completed by a student as part of a university degree, based on their own research Students must submit a thesis on an agreed subject within four years. See related entries: Exams and degrees
  2. 2a statement or an opinion that is discussed in a logical way and presented with evidence in order to prove that it is true These latest findings support the thesis that sexuality is determined by nature rather than choice. CollocationsScientific researchTheory formulate/​advance a theory/​hypothesis build/​construct/​create/​develop a simple/​theoretical/​mathematical model develop/​establish/​provide/​use a theoretical/​conceptual framework advance/​argue/​develop the thesis that… explore an idea/​a concept/​a hypothesis make a prediction/​an inference base a prediction/​your calculations on something investigate/​evaluate/​accept/​challenge/​reject a theory/​hypothesis/​modelExperiment design an experiment/​a questionnaire/​a study/​a test do research/​an experiment/​an analysis make observations/​measurements/​calculations carry out/​conduct/​perform an experiment/​a test/​a longitudinal study/​observations/​clinical trials run an experiment/​a simulation/​clinical trials repeat an experiment/​a test/​an analysis replicate a study/​the results/​the findings observe/​study/​examine/​investigate/​assess a pattern/​a process/​a behaviour/(especially US English) a behavior fund/​support the research/​project/​study seek/​provide/​get/​secure funding for researchResults collect/​gather/​extract data/​information yield data/​evidence/​similar findings/​the same results analyse/​examine the data/​soil samples/​a specimen consider/​compare/​interpret the results/​findings fit the data/​model confirm/​support/​verify a prediction/​a hypothesis/​the results/​the findings prove a conjecture/​hypothesis/​theorem draw/​make/​reach the same conclusions read/​review the records/​literature describe/​report an experiment/​a study present/​publish/​summarize the results/​findings present/​publish/​read/​review/​cite a paper in a scientific journal See related entries: Experiments and research
  3. Word Originlate Middle English (originally referring to an unstressed syllable in Greek or Latin verse): via late Latin from Greek, literally ‘placing, a proposition’, from the root of tithenai ‘to place’.Extra examples He presented this thesis for his PhD. He wrote a doctoral thesis on set theory. He’s doing a doctoral thesis on the early works of Shostakovich. Many departments require their students to do a thesis defense. She completed an MSc by thesis. The results of the experiment support his central thesis. Three Caltech professors served on my thesis committee. a thesis about the effects of new technology on skills her thesis adviser at MIT her thesis work on skin cancers research presented in a thesis Most people rejected this thesis at the time because it presumed evolution rather than creation. Research supports the thesis that sexuality is determined by nature and not by choice. The basic thesis of the book is fairly simple. a doctoral/​PhD thesis a thesis for a master’s degree
See the Oxford Advanced American Dictionary entry: thesis