( sea powers)
1.
Sea power is the size and strength of a country’s navy.
The transformation of American sea power began in 1940.
N-UNCOUNT
2.
A sea power is a country that has a large navy.
N-COUNT
( sea powers)
1.
Sea power is the size and strength of a country’s navy.
The transformation of American sea power began in 1940.
N-UNCOUNT
2.
A sea power is a country that has a large navy.
N-COUNT
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006