electron shell electron radiation • electron spin resonance · · · Info · Definitions · Characters · · electron shell · · Text Common · · Latin · · Scripts 14 · · Length 4 · · Syllables Definitions · · · (noun) a grouping of electrons surrounding the nucleus of an atom. Synonyms: electron shell. Example: "The chemical properties of an atom are determined by the outermost electron shell." · · Noun Definition 1 Characters · · space U+0020 c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074