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phonocardiograph

[foh-nuh-kahr-dee-uh-graf, -grahf]
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noun Medicine/Medical.
  1. an instrument for graphically recording the sound of the heartbeat.
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Origin of phonocardiograph

First recorded in 1925–30; phono- + cardiograph
Related formspho·no·car·di·og·ra·phy [foh-nuh-kahr-dee-og-ruh-fee] /ˌfoʊ nəˌkɑr diˈɒg rə fi/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

phonocardiograph in Medicine

phonocardiograph

(fō′nə-kärdē-ə-grăf′)
n.
  1. A device consisting of microphones and recording equipment used to monitor and record heart sounds and murmurs.
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Related formspho′no•car′di•ogra•phy (-ŏgrə-fē) n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.