Also found in: Thesaurus, Medical, Legal, Encyclopedia.


An instrument that measures the physiological responses of an individual to questions from an examiner who interprets the results as indicating the likelihood that the individual is telling or not telling the truth in giving the answers.
tr.v. pol·y·graphed, pol·y·graph·ing, pol·y·graphs
To test (a criminal suspect, for example) with a polygraph.

po·lyg′ra·pher (pə-lĭg′rə-fər), po·lyg′ra·phist (-fĭst) n.
pol′y·graph′ic adj.
References in periodicals archive ?
Tenders are invited for Provision of Services in printing of polygraphic production Eligibility Criteria : Total estimated purchase cost
According to details his polygraphic test has also been completed.
It has also been decided that polygraphic test of Nadeem Iqbal and Sajid would be conducted shortly.
A polygraphic test of Imran also came positive to establish his link with the rape-cum-murderer of Zainab and six other innocent girls.
The polygraphic test of the suspect was completed, while the report was forwarded to Chief Minister Punjab.
Polygraphic study of the episodic diurnal and nocturnal (hypnic and respiratory) manifestations of the Pickwick syndrome.
Summary: New Delhi [India], November 24 (ANI): Controversial arms dealer Abhishek Verma, a witness in the 1984 anti-Sikh riots case, on Friday claimed that a Central Bureau of Investigation (CBI) Investigating Officer (IO) informed him that the polygraphic test scheduled on November 27 to 30 stands cancelled as the machine was found broken or faulty.
This was the beginning of polygraphic lie detection.
3) That if the graphs and examiner's opinion are offered in evidence the opposing party shall have the right to cross-examine the examiner respecting: a) the examiner's qualifications and training; b) the conditions under which the test was administered; c) the limitations of and possibilities for error in the technique of polygraphic interrogation; and d) at the discretion of the trial judge, any other matter deemed pertinent to the inquiry.
Bar-On, "Computerized method for scoring of polygraphic sleep recordings," Computer Programs in Biomedicine, vol.
sup][4],[7],[8],[9],[10],[11],[12],[13] Most of these studies enrolled only morbidly obese patients, and some of them used ambulatory polygraphic monitoring or nocturnal oximetric recording.