phonocardiograph

1 of 2

noun

pho·​no·​car·​dio·​graph -ˌgraf 

: an instrument used for producing a graphic record of heart sounds and consisting of microphones, an amplifier, and recording equipment

phonocardiography

2 of 2

noun

pho·​no·​car·​di·​og·​ra·​phy -ˌkärd-ē-ˈäg-rə-fē 

plural phonocardiographies

: the recording of heart sounds by means of a phonocardiograph

phonocardiographic

-ˌkärd-ē-ə-ˈgraf-ik 

adjective