Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

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)
Focus on the pronunciation of hypothesis

Definitions of “hypothesis” in other dictionaries

Word of the Day

warm-up

something that you do to prepare yourself for an activity, especially gentle exercises before a physical activity

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More