You searched for: “phonendoscope
auscultoscope, phonendoscope (s) (noun); auscultoscopes; phonendoscopes (pl)
A stethoscopic device that intensifies auscultatory sounds and consists of a shallow metal cup closed by a diaphragm: A phonendoscope is an implement that amplifies sounds and is used mainly in the human body.
phonendoscope
A stethoscope for intensifying auscultatory sounds by means of a chest piece consisting of a shallow metal cup closed by a diaphragm; also, auscultoscope.