kaonEnglishOxford New American Dictionarykaon /ˈkāän, ˈkeɪɑn / ▸ noun Physics a meson having a mass several times that of a pion. – ORIGIN 1950s : from ka representing the letter K (as a symbol for the particle) + -on.
EnglishOxford New American DictionaryEnglishOxford New American Dictionary
