Hypothetical Particle, Travels Faster Than Light

This page is the CodyCross answer for the clue below from Games, Group 941, Puzzle 3 (Multiplayer).

Question is: Hypothetical Particle, Travels Faster Than Light

and the answer is: TACHYON

Word Meaning:

TACHYON — (particle physics) A hypothetical particle that travels faster than the speed of light.

Definitions from Wiktionary.