(n) diagnostic procedure consisting of recording the activity of the heart electronically with a cardiograph (and producing a cardiogram), Syn. electrocardiography
n. Art or process of making radiographs, radiograms, or autoradiograms. -- ra`di*o*graph"icra`di*o*graph"ic*al a. -- Ra`di*o*graph"ic*al*ly, adv. [Webster 1913 Suppl.]