Pneumatograph

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Pneumatograph \Pneu*mat"o*graph\, n. [Pneumato- + -graph.]
     (Physiol.)
     An instrument for recording the movements of the thorax or
     chest wall during respiration; -- also called {stethograph}.
     [1913 Webster]