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phonocardiograph

[ foh-nuh-kahr-dee-uh-graf, -grahf ]

noun

, Medicine/Medical.
  1. an instrument for graphically recording the sound of the heartbeat.


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Other Words From

  • pho·no·car·di·og·ra·phy [foh-n, uh, -kahr-dee-, og, -r, uh, -fee], noun

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Word History and Origins

Origin of phonocardiograph1

First recorded in 1925–30; phono- + cardiograph

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phonocardiogramphonochemistry