Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Noun: quark  kwork or kwaa(r)k
  1. (physics) hypothetical truly fundamental particle in mesons and baryons; there are supposed to be six flavours of quarks (and their antiquarks), which come in pairs; each has an electric charge of +2/3 or -1/3
    "quarks have not been observed directly but theoretical predictions based on their existence have been confirmed experimentally"
     
  2. Fresh unripened cheese of a smooth texture made from pasteurized milk, a starter, and rennet
    - quark cheese, curd cheese [Brit]

Derived forms: quarks

Type of: cheese, elementary particle, fundamental particle

Part of: hadron

Encyclopedia: Quark, Strangeness and Charm