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tachyon

noun
tachy·​on | \ ˈta-kē-ˌän How to pronounce tachyon (audio) \

Definition of tachyon

: a hypothetical particle held to travel faster than light

Examples of tachyon in a Sentence

Recent Examples on the Web

 This predicts that every particle has a superpartner and, by an extraordinary coincidence, the same condition actually eliminates the tachyon. — Lorenzo Bianchi, Newsweek, "Was This Stephen Hawking's Theory of Everything?," 19 Mar. 2018

First Known Use of tachyon

1967, in the meaning defined above

History and Etymology for tachyon

tachy- + -on entry 2

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