Meaning of “hypothesis” in the English Dictionary

(Definition of “hypothesis” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"hypothesis" in American English

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hypothesisnoun [ C ]

us /hɑɪˈpɑθ·ə·sɪs/ plural hypotheses /hɑɪˈpɑθ·əˌsiz/

science an idea or explanation for something that is based on known facts but has not yet been proven:

Several hypotheses for global warming have been suggested.

(Definition of “hypothesis” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"hypothesis" in Business English

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hypothesisnoun [ C ]

uk /haɪˈpɒθəsɪs/ us plural hypotheses /haɪˈpɒθəsiːz/

an idea or explanation for something that may be true but has not yet been completely proved:

hypothesis that Evidence supports their hypothesis that a long-term relationship built on trust and obligation between a buyer and a sub-contractor leads to prompt delivery and better cooperation.

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(Definition of “hypothesis” from the Cambridge Business English Dictionary © Cambridge University Press)

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We refuse to believe this hypothesis.
Even on the hypothesis that this draft gives rise to nothing more than a simple political declaration, we cannot accept it as it stands.
From what we know at present, even the hypothesis of an attack cannot be ruled out completely, even if it seems highly unlikely.
I will obviously not be able to put that part to the vote if any of you is against this working hypothesis.
In recent years the hypothesis has been put forward that these resistant bacteria can get into a meat-eater's bodily system and weaken that person's immunity to infectious disease.
At any rate, this general mandate enabled the group to continue working on the hypothesis that simplification is the same as deregulation.
The emails also reveal that scientists sceptical of the hypothesis have been squeezed out of peer review processes to avoid flaws in research being revealed to public scrutiny.
If our conclusions on the hypothesis of climate change are to be based on evidence, then that evidence must be irreproachable.
The hypothesis of the accidental or fraudulent cross contamination of these animals by meal of animal origin has been put forward.