- The definition of a stethoscope is a medical instrument with earphones and a tube with a flat metal disk at the end, that a doctor uses to listen to a patient's heart and lungs.
An example of a stethoscope is what a doctor uses to listen for fluid in a patient's lungs.
Origin of stethoscopeFrench stéthoscope: see stetho- and amp; -scope
Origin of stethoscopeFrench stéthoscope : Greek stēthos, chest + French -scope, an instrument for viewing (from Latin -scopium; see –scope).
- steth′o·scop′ic , steth′o·scop′i·cal
(third-person singular simple present stethoscopes, present participle stethoscoping, simple past and past participle stethoscoped)