echo cardiograph

echocardiograph

[ek-oh-kahr-dee-uh-graf, -grahf]
noun Medicine/Medical.
an instrument employing reflected ultrasonic waves to examine the structures and functioning of the heart.

Origin:
echo + cardiograph

echocardiographic [ek-oh-kahr-dee-uh-graf-ik] , echocardiographical, adjective
echocardiographically, adverb
echocardiography [ek-oh-kahr-dee-og-ruh-fee] , noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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WordNet
echocardiograph

noun
a sonograph that creates an image of the heart and its abnormalities 
WordNet® 3.0, © 2006 by Princeton University.
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