curvature of space

noun Physics, Astronomy.
(in relativity) a property of space near massive bodies in which their gravitational field causes light to travel along curved paths.
(in cosmology) a large-scale property of the universe that has an algebraic sign that depends upon whether the density of matter and radiation of the universe exceeds, equals, or is less than the critical density, leading, respectively, to a closed universe with a positive sign, a flat universe with value zero, or an open universe with a negative sign.

1915–20 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Invisible fairies are responsible for gravity, not curvature of space or gravitons.
The curvature of space then curves the paths taken by rays of light.
The curvature of space changes, as one moves outside the circle along its radius.
The size and shape of the universe: the quest for the curvature of space.
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