A recording of respired gas flow as a function of time, produced by a pneumotachograph. ... Origin: G. Pneuma, air, + tachys, swift, + gramma, something written ... (05 Mar 2000) ... 
Type: Term Pronunciation: nū′mō-tak′ō-gram Definitions: 1. A recording of respired gas flow as a function of time, produced by a pneumotachograph.