- 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.
- an extremely powerful state, such as the US
- extremely high power, esp electrical or mechanical
