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



    BrE BrE//haɪˈpɒθəsɪs//
    ; NAmE NAmE//haɪˈpɑːθəsɪs//
    (pl. hypotheses
    BrE BrE//haɪˈpɒθəsiːz//
    ; NAmE NAmE//haɪˈpɑːθəsiːz//
    Experiments and research
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  1. 1[countable] an idea or explanation of something that is based on a few known facts but that has not yet been proved to be true or correct synonym theory to formulate/confirm a hypothesis a hypothesis about the function of dreams There is little evidence to support these hypotheses. Wordfinderanalysis, evaluate, evidence, experiment, hypothesis, laboratory, research, result, science, study 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
  2. 2[uncountable] guesses and ideas that are not based on certain knowledge synonym speculation It would be pointless to engage in hypothesis before we have the facts.
  3. Word Originlate 16th cent.: via late Latin from Greek hupothesis ‘foundation’, from hupo ‘under’ + thesis ‘placing’.Extra examples Her hypothesis concerns the role of electromagnetic radiation. Her study is based on the hypothesis that language simplification is possible. It is possible to make a hypothesis on the basis of this graph. None of the hypotheses can be rejected at this stage. Scientists have proposed a bold hypothesis. She used this data to test her hypothesis The hypothesis predicts that children will perform better on task A than on task B. The results confirmed his hypothesis on the use of modal verbs. These observations appear to support our working hypothesis. a speculative hypothesis concerning the nature of matter an interesting hypothesis about the development of language Advances in genetics seem to confirm these hypotheses. His hypothesis about what dreams mean provoked a lot of debate. Research supports the hypothesis that language skills are centred in the left side of the brain. The survey will be used to test the hypothesis that people who work outside the home are fitter and happier. This economic model is really a working hypothesis.
See the Oxford Advanced American Dictionary entry: hypothesis