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.

QUIZZES

TAKE THIS QUIZ IF A DAZZLING VOCABULARY IS YOUR DESIDERATUM!

Have the Words of the Day from October 19–25, 2020, made an indelible mark on your memory? Take the quiz to find out!
Question 1 of 7
What does “clement” mean?

Origin of curvature of space

First recorded in 1915–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020