• Tachyon

    Origin

    tachy- + -on

    Full definition of tachyon

    Noun

    tachyon

    (plural tachyons)
    1. (particle) A hypothetical particle that travels faster than the speed of light.
    2. (physics) A flaw in a physical theory that predicts the existence of tachyons or similar paradoxical results. Compare with ghost.

    Derived terms

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