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.
As massive objects orbit one another, they generate gravitational waves, tiny distortions in spacetime that travel outward through the universe.
From Science Daily ● Oct. 18, 2026
It has helped quantum computing researchers “optimize the spacetime resources” of certain subroutines and has optimized memory use across its data centers.
From The Wall Street Journal ● Oct. 1, 2026
In the 1960s, Hungarian theoretical physicist Frigyes Károlyházy suggested that spacetime may also undergo tiny, unavoidable fluctuations.
From Science Daily ● Sep. 21, 2026
In these cases, the quantum particles can remain in superpositions while moving through ordinary gravity and spacetime.
From Science Daily ● Aug. 30, 2026
This is gravity–a product of the bending of spacetime.
From "A Short History of Nearly Everything" by Bill Bryson
