In a particular model of particle physics: a hypothetical particle postulated as a constituent of quarks and leptons. Cf. preon, n.
| 单词 | θ79208 |
| 释义 | the world > matter > physics > atomic physics > particle physics > quark > [noun] > hypothetical constituent of (1) rishon1979 In a particular model of particle physics: a hypothetical particle postulated as a constituent of quarks and leptons. Cf. preon, n. |
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