D defs.my
Entry 1 sense Webster, 1913

Pneumatograph

· Pneu·mat·o·graph · IPA
01 n. An instrument for recording the movements of the thorax or chest wall during respiration; -- also called stethograph.
  1. 1.
    An instrument for recording the movements of the thorax or chest wall during respiration; -- also called stethograph.(Physiol.) Also: stethograph