polygraph

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pol·y·graph

 (pŏl′ē-grăf′)
n.
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.

polygraph

(ˈpɒlɪˌɡrɑːf; -ˌɡræf)
n
1. (Medicine) an instrument for the simultaneous electrical or mechanical recording of several involuntary physiological activities, including blood pressure, skin resistivity, pulse rate, respiration, and sweating, used esp as a would-be lie detector
2. (Printing, Lithography & Bookbinding) a device for producing copies of written, printed, or drawn matter
[C18: from Greek polugraphos writing copiously]
polygraphic adj
ˌpolyˈgraphically adv

pol•y•graph

(ˈpɒl ɪˌgræf, -ˌgrɑf)

n.
1. an instrument for receiving and recording simultaneously tracings of variations in certain body activities.
3. a test using a lie detector.
v.t.
4. to test (a person) with a polygraph.
[1795–1805; < Greek polýgraphos writing much. See poly-, -graph]
pol`y•graph′ic (-ˈgræf ɪk) adj.

polygraph

a lie detecting device. — polygrapher, polygraphist, n. — polygraphic, adj.
See also: Lies and Lying
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.polygraph - a medical instrument that records several physiological processes simultaneously (e.g., pulse rate and blood pressure and respiration and perspiration)
lie detector - a polygraph that records bodily changes sometimes associated with lying
medical instrument - instrument used in the practice of medicine
Translations
valheenpaljastin

polygraph

[ˈpɒlɪgrɑːf] Npolígrafo m, detector m de mentiras

polygraph

[ˈpɒligrɑːf] ndétecteur m de mensonges polygraph testpolygraph test ntest m au détecteur de mensonges

polygraph

n (US: = lie detector) → Lügendetektor m

polygraph

[ˈpɒlɪˌgrɑːf] nmacchina della verità

pol·y·graph

n. polígrafo, instrumento para obtener diversas pulsaciones arteriales y venosas simultáneamente.
References in periodicals archive ?
Polygraphs shall be scheduled within 48 hours from the date CDPS requests scheduling and polygraph exam reports and results must be available within three business days of the performance of the polygraph exam.
They are highly trained to conduct polygraphs or lie detector tests for a variety of different reasons and industries.
Fair Defence barrister Martin Steen said if probation officers are allowed to use polygraphs they should also be admissible evidence.
Interior Minister Vladimir Kolokoltsev has ordered that all police officers, drug police and employees of the Federal Penitentiary Service will now need to take polygraphs before getting hired or promoted, Izvestia reported.
Snyder said polygraphs are easily manipulated and routinely disregarded by courts.
Department of Defense, Department of Homeland Security, Customs and Border Protection, and Department of Energy use polygraphs regularly to screen employees and applicants for sensitive positions, and these agencies always are looking for more effective ways to detect lies.
Before I saw the flyer I had thought of polygraphs as an American obscurity, used only in daytime talk shows in the UK.
I would say no interview technique is 100 per cent effective but polygraphs are about 85 to 89 per cent accurate and that is much better than anything else.
Accordingly, depending upon the mediator's views of the reliability of polygraphs, the impact of a favorable polygraph can be significant upon the mediator's evaluation of the case.
The polygraph was administered by a retired Oregon State Police detective, who has done thousands of polygraphs," Terry said.
Historically, polygraphs have been a tool used by law enforcement and prosecutors to evaluate the victim in a sex crime case as well.
The story said the panel found the science behind polygraphs dubious and noted that a polygraph test is not admissible in court as evidence.