An instrument for recording graphically the progressive fatigue of a contracting muscle. ... Origin: pono-+ G. Grapho, to write ... (05 Mar 2000) ... 
Type: Term Pronunciation: pō′nō-graf Definitions: 1. An instrument for recording the progressive fatigue of a contracting muscle graphically.
ponograph 1. An instrument for estimating and recording sensitiveness to pain. 2. An instrument for recording graphically the progressive fatigue of a contracting muscle.