kaon kaolinize • kaopectate · · · Info · Definitions · Synonyms · Characters · · kaon · · Text Latin · · Script 4 · · Length 2 · · Syllables Definitions · · · (noun) an unstable meson produced as the result of a high-energy particle collision. Synonyms: kappa-meson, k-meson, K particle. · · Noun Definition 1 Synonyms · · · kappa-meson · · Synonym 1 k-meson · · Synonym 2 k particle · · Synonym 3 Characters · · a latin small letter a U+0061 k latin small letter k U+006B n latin small letter n U+006E o latin small letter o U+006F