单词 | baryon |
释义 | baryon —baryonic /bar'ee on"ik/, adj. /bar"ee on'/, n. Physics. a proton, neutron, or any elementary particle that decays into a set of particles that includes a proton. Cf. quark model. [1950-55; < Gk barý(s) heavy + (FERMI)ON] |
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