relativistic
adjective
rel·a·tiv·is·tic
ˌre-lə-ti-ˈvi-stik 
1
: of, relating to, or characterized by relativity or relativism
2
: moving at a velocity such that there is a significant change in properties (such as mass) in accordance with the theory of relativity
a relativistic electron
Examples of relativistic in a Sentence
Recent Examples on the Web
As this magnetic snap occurred, matter was flung outward at relativistic speeds.
—
Neetika Walter, Interesting Engineering, 9 Dec. 2025
Some pairs of relativistic jets can stretch out over more than a million light years, wider than the arms of their host galaxies.
—Kiona N. Smith, Space.com, 9 Dec. 2025
The plasma oscillates in the laser’s wake, and electrons get dragged along in the plasma’s path, accelerating them to relativistic speeds.
—IEEE Spectrum, 4 Dec. 2025
Truman did not see any moral virtue in sacrificing our soldiers on the altar of an abstract globalism or a relativistic humanitarianism.
—Josh Hammer, MSNBC Newsweek, 8 Aug. 2025
See All Example Sentences for relativistic
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Neetika Walter, Interesting Engineering, 9 Dec. 2025
Some pairs of relativistic jets can stretch out over more than a million light years, wider than the arms of their host galaxies.
—Kiona N. Smith, Space.com, 9 Dec. 2025
The plasma oscillates in the laser’s wake, and electrons get dragged along in the plasma’s path, accelerating them to relativistic speeds.
—IEEE Spectrum, 4 Dec. 2025
Truman did not see any moral virtue in sacrificing our soldiers on the altar of an abstract globalism or a relativistic humanitarianism.
—Josh Hammer, MSNBC Newsweek, 8 Aug. 2025
See All Example Sentences for relativistic
Cite this Entry
“Relativistic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/relativistic. Accessed 27 Dec. 2025.
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relativistic
adjective
rel·a·tiv·is·tic
ˌrel-ət-iv-ˈis-tik
: of, relating to, or characterized by relativity
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