Theory is part of the Academic Word List. It is important for students in college and university.
- (UK) IPA: /ˈθɪəri/ or /ˈθiːəri/ or /ˈθɪri/
- (US) IPA: /ˈθiːəri/ or /ˈθɪri/
- A theory is an idea that tries to explain an observation.
- The new information showed that his theory about growth was incorrect.
- Nobody has disproved Einstein's theory of general relativity.