Meson

[mezɒn]

Definition

(noun.) an elementary particle responsible for the forces in the atomic nucleus; a hadron with a baryon number of 0.

Checker: Virgil--From WordNet

Definition

(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.

Typed by Elroy