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lie detector

   Also found in: Dictionary/thesaurus, Legal, Encyclopedia, Wikipedia, Hutchinson 0.04 sec.
lie detector
n.
A polygraph used to detect possible deception during an interrogation.

lie detector Psychology A device that detects chest and abdominal movement during respiration, heart rate, BP, and galvanic skin conductance due to sweating. See Polygraph test.


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When she applied for a federal position in a very prestigious organization, she was informed that as a condition of employment she would be required to submit to drug testing, a background investigation, personal interviews, and lie detector tests.
Marque Clark, 31, was arrested Monday night after failing a lie detector test and confessing to the rape, said Capt.
The judicial system is well aware of the physical symptoms of the guilty and accepts as valid the results of the lie detector.
 
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