einstein's_special_theory_of_relativity
1. [ noun ] (physics) 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
Synonyms: special_theory_of_relativity special_relativity_theory special_relativity
Related terms: relativity
Similar spelling:   einstein's_general_theory_of_relativity