electrocardiograph electrocardiogram • electrocardiographic · · · Info · Definitions · Synonyms · Characters · · electrocardiograph · · Text Latin · · Script 18 · · Length Definitions · · · (noun) medical instrument that records electric currents associated with contractions of the heart. Synonyms: cardiograph. · · Noun Definition 1 Synonyms · · · cardiograph · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 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 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