Definition of kaon

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< kaolinite

kapeika >

ka·on

) KEY

NOUN:
Abbr. K

Any of a subgroup of unstable mesons that consist of an electrically charged form with a mass 966 times that of an electron and a neutral form with a mass 974 times that of an electron, produced as a result of a high-energy particle collision. Also called K-meson. See Table at subatomic particle.

ETYMOLOGY:
ka, pronunciation of the letter K + -on¹

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