space-time
noun
the four-dimensional continuum, having three spatial coordinates and one temporal coordinate, in which all physical quantities may be located.
spacetime
-
a variation of
space-time.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Einstein's theory of general relativity predicted that a spinning black hole would drag spacetime along with it, twisting it in a way that changes the orbits of the surrounding stars.
From Barron's ● Aug. 20, 2026
A metric is the mathematical structure used to describe distances and geometry in spacetime.
From Science Daily ● Jul. 21, 2026
According to GfE, gravity emerges from an informational tension between the actual spacetime metric and another metric produced by matter fields and spacetime curvature.
From Science Daily ● Jul. 21, 2026
In his concept, a particle entering the black hole's ergosphere, a region where spacetime is dragged along by the object's rotation, could split into two.
From Science Daily ● Jul. 12, 2026
It is bound up–"inextricably interconnected," in Stephen Hawking’s expression–with the three dimensions of space in a curious dimension known as spacetime.
From "A Short History of Nearly Everything" by Bill Bryson
