hypothesis - definition and synonyms

 
noun [countable] 

Your browser doesn’t support HTML5 audio

/haɪˈpɒθəsɪs/
singularhypothesis
pluralhypotheses
  1. an idea that attempts to explain something but has not yet been tested or proved to be correct

    Our findings support the hypothesis that these patients are at increased risk of heart disease.

    working hypothesis (=a theory that can be used although it may have to be changed later):

    Darwin offered a working hypothesis for the mechanism of evolution.