meson

 
Pronunciation: /ˈmiːzɒn, ˈmɛzɒn/

noun

Physics
  • a subatomic particle which is intermediate in mass between an electron and a proton and transmits the strong interaction that binds nucleons together in the atomic nucleus.

Derivatives

mesonic

Pronunciation: /mɪˈzɒnɪk/
adjective

Origin:

1930s: from meso- 'intermediate' + -on