heavy particle heavy-paced • heavy pine · · · Info · Definitions · Synonyms · Characters · · heavy particle · · Text Common · · Latin · · Scripts 14 · · Length 5 · · Syllables Definitions · · · (noun) any of the elementary particles having a mass equal to or greater than that of a proton and that participate in strong interactions; a hadron with a baryon number of +1. Synonyms: baryon, heavy particle. · · Noun Definition 1 Synonyms · · · baryon · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074 v latin small letter v U+0076 y latin small letter y U+0079