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Noun: pi-meson  'pI'mee,són or 'pI'me,zón or 'pI'mee,zón
  1. A meson involved in holding the nucleus together; produced as the result of high-energy particle collision
    "pi-mesons play a crucial role in nuclear physics experiments";
    - pion

Derived forms: pi-mesons

Type of: meson, mesotron

Encyclopedia: Pi-meson