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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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