Relativity and Special relativity

Relativity noun - The quality of being relative and having significance only in relation to something else.

Special relativity and relativity are semantically related. In some cases you can replace phrase "Special relativity" with "Relativity", this terms are similar.

Nearby Words: relative, relating, relatively, relativist, relativism

Special relativity noun - A physical theory of relativity based on the assumption that the speed of light in a vacuum is a constant and the assumption that the laws of physics are invariant in all inertial systems.

Relativity and special relativity are semantically related. You can use "Relativity" instead a noun phrase "Special relativity".