Definition of Polygraph from the PharmacyDictionary.in

Polygraph

Synonyms or meaning of Polygraph

1: Instrument used to detect lying by a subject while recording the physiological changes assumed to occur when the subject provides false answers to carefully selected questions; synonym: lie detector. 2: Instrument used in pharmacology to measure simultaneous physiological changes in several parameters (heart rate, respiration, electrocardiogram).

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