stethoscope
nounmasculine/iʃtituˈskɔpju/medium
Definition
A medical instrument for listening to the action of someone's heart or breathing.
The doctor used a stethoscope to check my lungs.
She bought a new stethoscope for her medical studies.
Etymology
Do grego 'stethos' (peito) e 'skopein' (examinar)