special relativity

noun

: relativity sense 3a

Examples of special relativity in a Sentence

Recent Examples on the Web
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But special relativity expressly forbids speeds faster than light. — Paul Sutter, Ars Technica, 23 May 2024 The answer once again comes from special relativity, which says that the faster an object moves, the slower time passes for it (at least relative to an outside observer). — Encyclopedia Britannica, 23 Mar. 2026 And a faster-than-light force violates Einstein’s theory of special relativity. — William Mark Stuckey, The Conversation, 30 July 2024 Near the speed of light, special relativity wreaks havoc on clocks and time, obliterating the concept of simultaneity among observers traveling at different speeds. — Peter Gosselin, Harpers Magazine, 30 June 2026 See All Example Sentences for special relativity

Word History

First Known Use

1919, in the meaning defined above

Time Traveler
The first known use of special relativity was in 1919

Rhymes for special relativity

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special purpose acquisition company
special relativity
special retainer
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Cite this Entry

“Special relativity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/special%20relativity. Accessed 7 Jul. 2026.

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Kids Definition

special relativity

noun
: relativity sense 2a

More from Merriam-Webster on special relativity

Britannica.com: Encyclopedia article about special relativity

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