lie detector

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lie detector

n.
An instrument designed to detect when a person has answered a question falsely.

lie detector

n
a polygraph used esp by a police interrogator to detect false or devious answers to questions, a sudden change in one or more involuntary physiological responses being considered a manifestation of guilt, fear, etc. See polygraph1, galvanic skin response

lie′ detec`tor


n.
an instrument that produces a record of the changes in certain body activities, as blood pressure, pulse, and breathing, which may be interpreted to indicate the truth or falsity of a person's answers under questioning.
Also called polygraph.
[1905–10]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.lie detector - a polygraph that records bodily changes sometimes associated with lyinglie detector - a polygraph that records bodily changes sometimes associated with lying
electrical skin response, electrodermal response, Fere phenomenon, galvanic skin response, GSR, psychogalvanic response, Tarchanoff phenomenon - a change in the electrical properties of the skin in response to stress or anxiety; can be measured either by recording the electrical resistance of the skin or by recording weak currents generated by the body
polygraph - a medical instrument that records several physiological processes simultaneously (e.g., pulse rate and blood pressure and respiration and perspiration)
Translations

lie detector

lie detector

nmacchina della verità
References in periodicals archive ?
On June 2, the Delhi Court pronounced its order on the Central Bureau of Investigation (CBI) plea, seeking permission to conduct a lie-detector test on Tytler.
THE House of Representatives investigation into the Mamasapano debacle is mulling a move to subject two uniformed officials to a lie-detector test after they gave different accounts about the Special Action Forces (SAF) call for help at the height of the gunbattle.
From October high-risk sex offenders will face mandatory lie-detector tests when they are released from jail to make sure they are not hiding a twisted intent to re-offend - or worse, moves already made.
There was outrage after the YouTube film emerged of Mitchell, 24, passing a lie-detector test.
13 -- Zee Group Chairman Subhash Chandra, named in the FIR lodged in the alleged Rs 100 crore extortion bid from Naveen Jindal's firm, on Wednesday agreed before a court in New Delhi to undergo lie-detector test but his two arrested editors refused to do so.
He also questioned the purpose of the lie-detector test.
Andrew Strauss could only give a cautious endorsement of the MCC's suggestion that lie-detector tests may help in the fight against corruption in cricket.
ANDREW STRAUSS could only give a cautious and equivocal endorsement yesterday of the MCC's suggestion that lie-detector tests may help in the fight against corruption in cricket.
THIS is the humiliating moment of truth when shoplifter Betty Hipson fails a TV lie-detector test over a missing family heirloom - before being branded a kleptomaniac by TV host Trisha Goddard.
Facing trial on charges of fraud and conspiracy, the former head of Fleishman-Hillard's Los Angeles office is fighting to have the results of a lie-detector test admitted as evidence, according to a motion filed in federal court late Wednesday.
Today we challenge Mr Conte to take and make public a lie-detector examination from a qualified, well-respected polygrapher,' said Jones' lawyer Rich Nicholls.
The Enquirer is challenging Ben to do what we required of our sources for this article: Take a lie-detector test,' says the magazine.