Definitions for quarkkwɔrk, kwɑrk

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Random House Webster's College Dictionary

quarkkwɔrk, kwɑrk(n.)

  1. any of a group of subatomic particles having a fractional electric charge and thought to constitute, together with their antiparticles, all baryons and mesons.

    Category: Physics

Origin of quark:

coined in 1963 by U.S. physicist Murray Gell-Mann (b. 1929), who associated it with a word in Joyce's Finnegans Wake

Princeton's WordNet

  1. quark(noun)

    (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. quark cheese, quark(noun)

    fresh unripened cheese of a smooth texture made from pasteurized milk, a starter, and rennet


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