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phonocardiograph
[foh-nuh-kahr-dee-uh-graf, -grahf]
noun
Medicine/Medical.
an instrument for graphically recording the sound of the heartbeat.
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Other Word Forms
- phonocardiography noun
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Word History and Origins
Origin of phonocardiograph1
First recorded in 1925–30; phono- + cardiograph
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Example Sentences
Examples have not been reviewed.
At first the electrocardiograph gave normal readings; so did the phonocardiograph.
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