Pion
WordNet

noun


(1)   A meson involved in holding the nucleus together; produced as the result of high-energy particle collision
WiktionaryText

Noun



  1. Any of three semistable mesons, having positive, negative or neutral charge, now known to be composed of a quark and an antiquark.

Noun


pion m (Plural: pions)
  1. pawn, there are 8 of them on a chess board


----
 
x
OK