• IPA: /ˈpaɪɒn/

pion (plural pions)

  1. (particle) Any of three semistable mesons, having positive, negative or neutral charge, composed of up and down quarks/antiquarks.
Synonyms Translations
  • French: pion
  • German: Pion
  • Italian: pione
  • Portuguese: píon
  • Russian: пио́н

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