space-time
noun
ˈspās-ˈtīm 
ˈspās-ˌtīm
1
: a system of one temporal and three spatial coordinates by which any physical object or event can be located
called also space-time continuum
2
: the whole or a portion of physical reality determinable by a usually four-dimensional coordinate system
also
: the properties characteristic of such an order
Examples of space-time in a Sentence
Recent Examples on the Web
Construction began in 1994 and took more than 20 years, including a four-year shutdown to improve the detectors, before LIGO detected its first gravitational wave in 2015: a ripple in the space-time fabric coming from the faraway collision of a pair of black holes.
—
Anil Ananthaswamy, Wired News, 16 Aug. 2025
But the approach only worked when space-time was smooth.
—Quanta Magazine, 16 July 2025
Importantly for the team's new measurements, something that arises from warped space-time (in the fourth dimension, remember) is that physical matter isn't the only thing affected by the warps.
—Monisha Ravisetti, Space.com, 7 Aug. 2025
Its mission would be to test the limits of Einstein’s theory of general relativity, published in 1915, which states that mass curves space-time, which in turn tells mass how to move.
—Jamie Carter, Forbes.com, 7 Aug. 2025
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Anil Ananthaswamy, Wired News, 16 Aug. 2025
But the approach only worked when space-time was smooth.
—Quanta Magazine, 16 July 2025
Importantly for the team's new measurements, something that arises from warped space-time (in the fourth dimension, remember) is that physical matter isn't the only thing affected by the warps.
—Monisha Ravisetti, Space.com, 7 Aug. 2025
Its mission would be to test the limits of Einstein’s theory of general relativity, published in 1915, which states that mass curves space-time, which in turn tells mass how to move.
—Jamie Carter, Forbes.com, 7 Aug. 2025
See All Example Sentences for space-time
Cite this Entry
“Space-time.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/space-time. Accessed 1 Sep. 2025.
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