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
The instruments detected gravitational waves, faint ripples in space-time produced by the two black holes slamming into each other.
—
Jacopo Prisco, CNN Money, 11 Sep. 2025
The development comes ten years after the initial discovery of gravitational waves, which are the ripples in space-time.
—Mrigakshi Dixit, Interesting Engineering, 10 Sep. 2025
Nolan speculated that, maybe, sufficient energy could be harvested from space-time itself, using the zero-point field and quantum tunnelling.
—Matthew Hutson, New Yorker, 7 Sep. 2025
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
See All Example Sentences for space-time
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Jacopo Prisco, CNN Money, 11 Sep. 2025
The development comes ten years after the initial discovery of gravitational waves, which are the ripples in space-time.
—Mrigakshi Dixit, Interesting Engineering, 10 Sep. 2025
Nolan speculated that, maybe, sufficient energy could be harvested from space-time itself, using the zero-point field and quantum tunnelling.
—Matthew Hutson, New Yorker, 7 Sep. 2025
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
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 13 Sep. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share