arrhenius arrhenatherum elatius • arrhenius theory of dissociation · · · Info · Definitions · Characters · · arrhenius · · Text Latin · · Script 9 · · Length 4 · · Syllables Definitions · · · (noun) Swedish chemist and physicist noted for his theory of chemical dissociation (1859-1927). Synonyms: Arrhenius, Svante August Arrhenius. · · Noun Definition 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075