hypothesize
🇺🇸
/haɪˈpɑːθəsaɪz/
🇬🇧
/haɪˈpɒθəsaɪz/
to form an idea or theory about something when you don't have all the information; to guess or suppose
Scientists hypothesized that the comet's impact caused the extinction of the dinosaurs.
科学者たちは、彗星の衝撃が恐竜の絶滅を引き起こしたと仮説づけました。