Last modified on 16 December 2014, at 15:19

lie detector

EnglishEdit

A medieval lie detector
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Wikipedia

NounEdit

lie detector (plural lie detectors)

  1. (informal) A polygraph, a device which measures and records several physiological variables such as blood pressure, heart rate, respiration and skin conductivity while a series of questions is being asked to a subject, in an attempt to detect lies.

SynonymsEdit

TranslationsEdit

See alsoEdit

chart recorder often used with a
lie detector