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

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 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

phonocardiograph in Medicine


  1. A device consisting of microphones and recording equipment used to monitor and record heart sounds and murmurs.
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.