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Meaning of phonocardiograph

pho•no•car•di•o•graph

Pronunciation: (fō"nu-kär'dē-u-graf", -gräf"), [key]
— n. Med.
  1. an instrument for graphically recording the sound of the heartbeat.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.