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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.

Origin:
1915–20

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Curvature of space is always a great word to know.

So is law of gravitation. Does it mean:

the ability of a substance to flow; a measure of this ability, the reciprocal of the coefficient of viscosity

any two masses attract each other with a force equal to a constant, multiplied by the product of the two masses, divided by the square of the distance between them

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"Certainly the philosopher of 'possible worlds' must take care that his technical apparatus not push him to ask questions whose meaningfulness is not supported by our original intuitions of possibility that gave the apparatus its point."

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