Meson (noun)

A subatomic particle that is made up of one quark and one antiquark, and has a net charge of zero. It is intermediate in mass between a proton and an electron.

Origin:

From the greek μέσος (mesos) meaning "middle" or "intermediate".

Examples:

1. The meson is a particle that is made up of a quark and an antiquark.
2. Mesons are intermediate in mass between protons and electrons.
3. The meson is a subatomic particle that is found in the nucleus of atoms.
4. The study of mesons helps to understand the properties of the strong force.
5. The properties of mesons are studied using high energy particle accelerators.