general relativity(redirected from Curved spacetime)
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The geometric theory of gravitation developed by Albert Einstein, incorporating and extending the theory of special relativity to accelerated frames of reference and introducing the principle that gravity is a consequence of matter causing a curvature in spacetime.
rel•a•tiv•i•ty(ˌrɛl əˈtɪv ɪ ti)
1. the state or fact of being relative.
a. Also called special relativity. the first part of Einstein's two-part theory, based on the axioms that physical laws have the same form throughout the universe and that the velocity of light in a vacuum is a universal constant, from which is derived the mass-energy equation, E = mc2.
b. Also called general relativity. the second part, a theory of gravitation based on the axiom that the local effects of a gravitational field and of the acceleration of an inertial system are identical.
3. dependence of a mental state upon the nature of the human mind.
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|Noun||1.||general relativity - a generalization of special relativity to include gravity (based on the principle of equivalence)|