[mee-zon, ‑son, mez-on, mes‑] 
| Physics. any hadron, or strongly interacting particle, other than a baryon. Mesons are bosons, having spins of 0, 1, 2, …, and, unlike baryons, do not obey a conservation law. |
| mes·on (měz'ŏn', měs'-, mē'zŏn', -sŏn') n. 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. me·son'ic (mě-zŏn'ĭk, -sŏn', mē-) adj. |
zɒn