Adjacent Words

cardiograph definitions

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WordNet (r) 3.0 (2005)

n
1: medical instrument that records electric currents associated with contractions of the heart [syn: cardiograph, electrocardiograph]
2: a medical instrument that measures the mechanical force of cardiac contractions and the amount of blood passing through the heart during a specified period by measuring the recoil of the body as blood is pumped from the ventricles [syn: ballistocardiograph, cardiograph]

Merriam Webster's

noun Etymology: International Scientific Vocabulary Date: 1870 an instrument that graphically registers movements of the heart • cardiographic adjective • cardiography noun

Oxford Reference Dictionary

n. an instrument for recording heart muscle activity. Derivatives: cardiographer n. cardiography n.

Webster's 1913 Dictionary

Cardiograph Car"di*o*graph, n. [Gr. kardi`a heart + -graph.] (Med.) An instrument which, when placed in contact with the chest, will register graphically the comparative duration and intensity of the heart's movements.