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
In a new paper, two of us (Krystal and Karan) teamed up with a group of researchers, including postdoctoral researcher Anjali Yelikar, to look at ripples in space-time to spot a few of these elusive black holes merging.
—
Bill Smith, JSTOR Daily, 4 Sep. 2025
Instead, gravitational waves, as natural quantum oscillations of space-time itself, are enough in this model to create the density fluctuations that lead to matter developing structures like galaxies, stars, and planets.
—Robert Lea, Space.com, 3 Sep. 2025
Perhaps space-time curves differently under these conditions than general relativity predicts.
—Matt Von Hippel, Quanta Magazine, 27 Aug. 2025
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
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Bill Smith, JSTOR Daily, 4 Sep. 2025
Instead, gravitational waves, as natural quantum oscillations of space-time itself, are enough in this model to create the density fluctuations that lead to matter developing structures like galaxies, stars, and planets.
—Robert Lea, Space.com, 3 Sep. 2025
Perhaps space-time curves differently under these conditions than general relativity predicts.
—Matt Von Hippel, Quanta Magazine, 27 Aug. 2025
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
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 10 Sep. 2025.
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