— mesonic , adj.
/mee"zon, -son, mez"on, mes"-/ , n.
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. Cf. quark model .
[ 1935-40; MES- + ON 1 ; cf. MESOTRON ]