superpower

Từ điển Oxford Advanced Learner 8th

super·power [superpower superpowers] BrE [ˈsuːpəpaʊə(r)] BrE [ˈsjuːpəpaʊə(r)] NAmE [ˈsuːpərpaʊər] noun
one of the countries in the world that has very great military or economic power and a lot of influence, for example the US

Example Bank:
•Japan's status as an economic superpower
•Politically, the 1950s saw a Cold War between the superpowers.
•The United States was left as the only global superpower.