phonocardiogram

noun

: a graphic representation of heart sounds made by means of a microphone, amplifier, and recording equipment

Word History

Etymology

borrowed from German Phonokardiogramm, from phono- phono- + Kardiogramm cardiogram

First Known Use

1911, in the meaning defined above

Time Traveler
The first known use of phonocardiogram was in 1911

Browse Nearby Words

Cite this Entry

“Phonocardiogram.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phonocardiogram. Accessed 7 Jul. 2026.

Medical Definition

phonocardiogram

noun
: a graphic record of heart sounds made by means of a phonocardiograph

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