No, the "theory" means "explanation", nothing more, nothing less. Just like "the theory of gravity". Or tide - we all know what tide is and how it happens, and

No, the "theory" means "explanation", nothing more, nothing less. Just like "the theory of gravity". Or tide - we all know what tide is and how it happens, and if you explain how it happens (physically), you might call the explanation "the theory of tides" [1]. [1] http://en.wikipedia.org/wiki/Theory_of_tides http://en.wikipedia.org/wiki/Theory_of_tides