plural of meson

(rare outside entomology) The mesial plane dividing the body into similar right and left halves.

(obsolete) A member of a group of subatomic particles having a mass intermediate between electrons and protons. (The most easily detected mesons fit this definition.)

Of or pertaining to mesons

(physics) The study of mesons.

plural of mu-meson

plural of hybrid meson

plural of eta meson

plural of exotic meson

plural of pi meson