meson

Từ điển WordNet v3.1 - WordNet Dictionary

noun

an elementary particle responsible for the forces in the atomic nucleus;
a hadron with a baryon number of 0
• Syn:
mesotron
• Derivationally related forms:
mesonic, mesic
• Hypernyms:
hadron, boson
• Hyponyms:
b-meson, J particle, psi particle, kaon, kappa-meson,
k-meson, K particle, pion, pi-meson