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phonocardiogram

[foh-nuh-kahr-dee-uh-gram]
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noun Medicine/Medical.
  1. the graphic record produced by a phonocardiograph.
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Origin of phonocardiogram

First recorded in 1910–15; phono- + cardiogram
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018