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Pion
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Definition
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Pion
Definition
WordNet
noun
(1)
A meson involved in holding the nucleus together; produced as the result of high-energy particle collision
WiktionaryText
Noun
Any of three semistable
meson
s, having positive, negative or neutral charge, now known to be composed of a
quark
and an antiquark.
Noun
pion
m
(Plural: pions)
pawn
, there are 8 of them on a chess board
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