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Definition of Polygraph

Polygraph

  1. An instrument for multiplying copies of a writing; a manifold writer; a copying machine.
  2. In bibliography, a collection of different works, either by one or several authors.
  3. An instrument for detecting deceptive statements by a subject, by measuring several physiological states of the subject, such as pulse, heartbeat, and sweating. The instrument records these parameters on a strip of paper while the subject is asked questions designed to elicit emotional responses when the subject tries to deceive the interrogator. Also called lie detector
More "Polygraph" Quotations

Polygraph Translations

polygraph in German is Polygraph
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