relativistic

adjective
rel·​a·​tiv·​is·​tic | \ ˌre-lə-ti-ˈvi-stik How to pronounce relativistic (audio) \

Definition of relativistic

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

Other Words from relativistic

relativistically \ ˌre-​lə-​ti-​ˈvi-​sti-​k(ə-​)lē How to pronounce relativistic (audio) \ adverb

Examples of relativistic in a Sentence

Recent Examples on the Web Particle can indeed be collected by a magnetic field and guided into a fusion reactor, achieving acceleration up to relativistic speeds. Jennifer Ouellette, Ars Technica, 6 Jan. 2022 Eventually, it is literally ripped apart, its material subsumed into an orbiting accretion flow that either falls into the black hole or gets shot out as a relativistic jet. Smithsonian Magazine, Smithsonian Magazine, 6 Jan. 2022 The swarm could be made of many individual collectors placed all around the different parts of a black hole in order to best collect from the accretion disk, the corona, and the relativistic jets. Caroline Delbert, Popular Mechanics, 6 Sep. 2021 Breakthroughs were made in relativistic quantum mechanics, leading to the Klein-Gordon, Dirac, and Proca equations. Ethan Siegel, Forbes, 7 May 2021 At some point, regardless of how it was born, all massive particles will eventually move slowly compared to the speed of light: becoming non-relativistic and cold. Ethan Siegel, Forbes, 9 Apr. 2021 This hyperfine splitting was explained 3 years later, when Dirac successfully wrote down the relativistic quantum mechanical equation describing the electron. Ethan Siegel, Forbes, 8 Apr. 2021 Each pinging photon of light would impart a slight momentum to the sail and its cargo; in the microgravity vacuum of space, the torrent of photons unleashed by a gigawatt-class laser would rapidly push a nanocraft to relativistic speeds. Lee Billings, Scientific American, 12 Apr. 2016 Due to relativistic time dilation, at that speed, the OMG particle could travel to our nearest neighbor star, Proxima Centauri, in 0.43 milliseconds of the particle's own time. Rebecca Coffey, Forbes, 3 Mar. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'relativistic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of relativistic

1886, in the meaning defined at sense 1

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Time Traveler for relativistic

Time Traveler

The first known use of relativistic was in 1886

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Dictionary Entries Near relativistic

relativism

relativistic

relativity

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Last Updated

16 Jan 2022

Cite this Entry

“Relativistic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/relativistic. Accessed 19 Jan. 2022.

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