- an instrument that amplifies small sounds, esp within the human body
C20: from phono- + endo- + -scope
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for phonendoscope
The binaural stethoscope was invented by Cammann in 1854, and a later improvement is the phonendoscope, by Bianchi.The Progress of Invention in the Nineteenth Century.
Edward W. Byrn
- A stethoscope that intensifies auscultatory sounds.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.