Meson

(n.) The mesial plane dividing the body of an animal into similar right and left halves. The line in which it meets the dorsal surface has been called the dorsimeson, and the corresponding ventral edge the ventrimeson.

Thesaurus Entries

Kern, NMR, alpha particle, antibaryon, antilepton, antimeson, atom, atomic nucleus, atomic particle, aurora particle, baryon, beta particle, electron, elementary particle, heavy particle, ion, lepton, mesotron, molecule, monad, neutron, nuclear force, nuclear magnetic resonance, nuclear particle, nuclear resonance, nucleon, nucleosynthesis, nucleus, photon, proton, quark, radioactive particle, radion, solar particle, strangeness, strong interaction, triton, valence electron