hypothesis
noun [ C ] uk/haɪˈpɒθ.ə.sɪs/ us/haɪˈpɑː.θə.sɪs/ hypotheses /haɪˈpɒθ.ə.siːz/ /haɪˈpɑː.θə.siːz/
C2 假设，假说
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. 已经提出了好几种全球变暖的假说。