tachyon

American  

[tak-ee-on] / ˈtæk iˌɒn /

noun

Physics.

1. a hypothetical particle that travels faster than the speed of light.

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tachyon British  

/ ˈtækɪˌɒn /

noun

1. physics a hypothetical elementary particle capable of travelling faster than the velocity of light

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tachyon Scientific  

/ tăk′ē-ŏn′ /

1. A hypothetical subatomic particle that travels faster than the speed of light. Although the principles of relativity forbid the acceleration of a particle past the speed of light, they do not prohibit the existence of particles that have always moved faster than that speed. No such particle has ever been detected.

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Etymology

Origin of tachyon

First recorded in 1967; tachy- + -on ¹

Example Sentences

His team also dissected the remnants of three different Russian surveillance drones, two of them called Orlan and Tachyon and one previously unknown model that Ukrainian officials called Kartograf.

From New York Times

Happily, Pinkwater still works, too: Next month Tachyon Books will bring out “Adventures of a Dwergish Girl.”

From Washington Post

It seemed like the two of them had killed all of the attacking Kavalrymen, but someone appears behind the tachyon cannon just long enough to fire it, and Doctor Manhattan is teleported away.

From Slate

Make that witch hunt a tachyon hunt.

From Scientific American

For example, ECS uses the Tachyon tool from security firm 1E to help monitor millions of PCs and keep them updated with the latest software patches and security updates.

From BBC