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Definition of 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

Polygraph Quotations

Polygraph tests are 20th-century witchcraft.
Sam Ervin

My own view is that if you filled every member of the parliamentary Labour party with a truth drug and lashed them to a polygraph lie detector, very, very few of them would support foundation hospitals.
Frank Dobson

Later, I went down to the Washington field office and an onsite polygraph was administered.
Steven Hatfill

I'm not sure. I did not set it up. I have never done a polygraph test in my life. I didn't know what to expect. I was just there to answer the questions that they put in front of me.
Rafael Palmeiro

And they asked me to take a polygraph as to the allegations and reports I'd made. I volunteered and I took the polygraph and passed it without a glitch.
Sibel Edmonds
More "Polygraph" Quotations

Polygraph Translations

polygraph in German is Polygraph