quark

1 definition found

quark - WordNet (r) 2.1 (2005) :

  quark
      n 1: (physics) hypothetical truly fundamental particle in mesons
           and baryons; there are supposed to be six flavors 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 [syn: quark cheese,
         quark]