'major power' definitions:

Definition of 'major power'

(from WordNet)
noun
A state powerful enough to influence events throughout the world [syn: world power, major power, great power, power, superpower]

Definition of 'major power'

From: GCIDE
  • major power \major power\ n. A nation powerful enough to influence events throughout the world.
  • Syn: world power, great power, power. [WordNet 1.5]