noradrenaline Nora • Norah · · · Info · Definitions · Synonyms · Characters · · noradrenaline · · Text Latin · · Script 13 · · Length 5 · · Syllables Definitions · · · (noun) a catecholamine precursor of epinephrine that is secreted by the adrenal medulla and also released at synapses. Synonyms: norepinephrine. · · Noun Definition 1 Synonyms · · · norepinephrine · · Synonym 1 Characters · · a latin small letter a U+0061 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 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072