General relativity theory and Relativity theory

General relativity theory noun - A generalization of special relativity to include gravity (based on the principle of equivalence).

Relativity theory and general relativity theory are semantically related. In some cases you can use "Relativity theory" instead a noun phrase "General relativity theory".

Relativity theory noun - (physics) the theory that space and time are relative concepts rather than absolute concepts.

General relativity theory and relativity theory are semantically related. Sometimes you can replace phrase "General relativity theory" with "Relativity theory", this phrases are similar.