helium group helium • helix · · · Info · Definitions · Characters · · helium group · · Text Common · · Latin · · Scripts 12 · · Length 4 · · Syllables Definitions · · · (noun) the series of inert gases. Synonyms: helium group. · · Noun Definition 1 Characters · · space U+0020 e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 u latin small letter u U+0075