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phonendoscope

noun
  1. an instrument that amplifies small sounds, esp within the human body
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Word Origin

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

Historical Examples

  • 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


phonendoscope in Medicine

phonendoscope

(fō-nĕndə-skōp′)
n.
  1. A stethoscope that intensifies auscultatory sounds.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.