meson

名词 meson:

1. an elementary particle responsible for the forces in the atomic nucleus; a hadron with a baryon number of 0
   同义词：mesotron

mes.on

n.（名词）
Any of a family of subatomic particles that participate in strong interactions, are composed of a quark and an antiquark, and have masses generally intermediate between leptons and baryons.See table at subatomic particle
介子：任一种具有较强相互作用力的亚原子粒子群，由一夸克与一反夸克构成，并具有通常介于轻子和重子间的质量参见 subatomic particle

【引伸】
meson.ic