Noun
theory of everything (plural theories of everything)
(physics) A supposed theory uniting all fundamental physical phenomena into a single framework.
(physics) A theory that would unite the four known fundamental forces of nature: gravity, electromagnetism, strong nuclear force (color force), weak nuclear force.
I'm a student of patterns. At heart, I'm a physicist. I look at everything in my life as trying to find the single equation, the theory of everything. Will Smith