noun🔗SharePionAny of three semistable mesons, having positive, negative or neutral charge, composed of up and down quarks/antiquarks."Inside the particle accelerator, scientists observed the fleeting existence of a positively charged pion before it decayed. "Im Teilchenbeschleuniger beobachteten Wissenschaftler die flüchtige Existenz eines positiv geladenen Pions, bevor es zerfiel.physicselementChat with AIVocabulary GamePractice Reading
