periodic table periodic sentence • periodide · · · Info · Definitions · Characters · · periodic table · · Text Common · · Latin · · Scripts 14 · · Length 4 · · Syllables Definitions · · · (noun) (chemistry) a tabular arrangement of the chemical elements according to atomic number as based on the periodic law. Synonyms: periodic table. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074