polygraph

Definitions

Electronics

  • A device which monitors and records changes in physiological variables such as respiration, blood pressure, and perspiration, while a subject is questioned. Such a device purportedly can detect when a person is lying. Also called lie detector.

Human Resources

  • noun a lie detector, a machine which tells if a person is lying by recording physiological changes which take place while the person is being interviewed

Medical

  • noun an instrument which records the pulse in several parts of the body at the same time
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