an apparatus consisting of a rotating drum for recording wavelike motions, variations, or modulations, such as muscular contractions
Origin of kymographfrom Classical Greek kyma, a wave (see cyme) + -graph
An instrument for recording variations in pressure, as of the blood, or in tension, as of a muscle, by means of a pen or stylus that marks a rotating drum.
Origin of kymographGreek kūma something swollen ; see cyma . -graph