Found 2 items, similar to Polygraph.
English → English (WordNet) Definition: polygraph polygraph n : a medical instrument that records several physiological processes simultaneously (e.g., pulse rate and blood pressure and respiration and perspiration)
English → English (gcide) Definition: Polygraph Polygraph \Pol"y*graph\, n. [Gr. ? writing much; poly`s much, many + ? to write: cf. F. polygraphe.] 1. An instrument for multiplying copies of a writing; a manifold writer; a copying machine. [1913 Webster] 2. In bibliography, a collection of different works, either by one or several authors. --Brande & C. [1913 Webster] [1913 Webster]