Definition of kaon
: an unstable meson that occurs in both charged and neutral forms and is about 970 times more massive than an electron
Recent Examples of kaon from the Web
The most famous of these two-quark particles are kaons and pions.
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Origin and Etymology of kaon
International Scientific Vocabulary ka kay (from K-meson, its earlier name) + 2-on
First Known Use: 1958See Words from the same year
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