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Pion
//ˈpaɪɒn// noun
Definitions
Noun
- 1 Any of three semistable mesons, having positive, negative or neutral charge, composed of up and down quarks/antiquarks. particle
- 2 a meson involved in holding the nucleus together; produced as the result of high-energy particle collision wordnet
Etymology
From pi + -on, as alteration of pi-meson.
See also for "pion"
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