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| quark [ kwawrk ] (plural quarks) |
noun |
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| Definition: |
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basic component of particles: an elementary particle with an electric charge equal to one-third or two-thirds that of the electron. Quarks are believed to be the constituents of baryons and mesons.
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| [Mid-20th century. Alluding to "three quarks for Mr. Mark" in James Joyce'sFinnegans Wake; because originally there were thought to be three quarks] |
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