pion
1. [ noun ] Last name, frequency rank in the U.S. is 26167
2. [ noun ] (physics,high energy physics) a meson involved in holding the nucleus together; produced as the result of high-energy particle collision
Synonyms: pi-meson
Related terms: meson
Similar spelling:   pin
  Pino
  Pini
  Pine
  Pina
  pinny
  pinna
  Pineo
  piano
  Pinney
  Pineau
  Pima