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  Word: Polygraph

  ID	Word	Wordtype	Definition
  117161	Polygraph	n.	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

  
  

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