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Word: polygraph (lookup usage) (lookup stats)


Meaning:

Noun:

  • 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.
  • dated An mechanical instrument for multiplying copies of a writing, resembling multiple pantographs.

Source: Wiktionary | Src Info »

Verb:

  • To administer a polygraph test.

Source: Wiktionary | Src Info »