from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. In the Standard Model of particle physics, a property possessed by quarks, anti-quarks, and gluons that determine rules for how these particles may interact. There are three pairs of colors and anti-colors -- named red, green, and blue, and their corresponding anti-colors (e.g., anti-red). The terminology has nothing to do with visible color.


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