u·ni·fied field theory (y  n -f d )n. A physical theory that combines the treatment of two or more types of fields in order to deduce previously unrecognized interrelationships, especially such a theory unifying the theories of nuclear, electromagnetic, and gravitational forces. |
unified field theory
n
(Physics / General Physics) any theory capable of describing in one set of equations the properties of gravitational fields, electromagnetic fields, and strong and weak nuclear interactions. No satisfactory theory has yet been found
| unified field theory (yn-fd) A theory that explains the four basic forces of nature (electromagnetism, gravity, strong force, and weak force) as manifestations of a single physical principle. No unified field theory that has been proposed so far has gained broad acceptance. Also called grand unified theory, theory of everything. |
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