an extremely powerful nation, especially one capable of influencing international events and the acts and policies of less powerful nations.
power greater in scope or magnitude than that which is considered natural or has previously existed.
power, especially mechanical or electric power, on an extremely large scale secured by the linking together of a number of separate power systems, with a view to more efficient and economical generation and distribution.
1944, in geopolitical sense of "nation with great interest and ability to exert force in worldwide theaters of conflict," from super- + power (n.). The word itself is attested in physical senses from 1922.