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English definition of “hypothesis”

hypothesis

noun [C]     /haɪˈpɒθ.ə.sɪs/ US  /-ˈpɑː.θə-/ (plural hypotheses)
C2 an idea or explanation for something that is based on known facts but has not yet been proved: Several hypotheses for global warming have been suggested.Ideas, concepts and theories
(Definition of hypothesis noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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