Quark (physics)

A quark was a type of subatomic particle. (TV: The Ultimate Foe) It had up, down, and strange matter varieties. (TV: Time and the Rani)

The Valeyard intended to use the particle disseminator within the Matrix to destroy everyone in the courtroom onboard Space Station Zenobia by removing the quarks and many other particles that make up matter. (TV: The Ultimate Foe)