Associations to the word «Meson»

Wiktionary

MESON, noun. (rare outside entomology) The mesial plane dividing the body into similar right and left halves.
MESON, noun. (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.)
MESON, noun. (now specifically) (particle) An elementary particle that is composed of a quark and an antiquark, such as a kaon or pion. (Mesons composed of rarer quarks are much heavier.)

Dictionary definition

MESON, noun. An elementary particle responsible for the forces in the atomic nucleus; a hadron with a baryon number of 0.

Wise words

A word is not a crystal, transparent and unchanged; it is the skin of a living thought and may vary greatly in color and content according to the circumstances and time in which it is used.
Oliver Wendell Holmes, Jr.