English version

lie detector

From Longman Dictionary of Contemporary English
Related topics: Technology
lie detectorˈlie deˌtector noun [countable]  TLIE/TELL A LIEa piece of equipment used especially by the police to check whether someone is lying, by measuring sudden changes in their heart rate syn polygraph He was asked to take a lie detector test.
Examples from the Corpus
lie detectorFor his own information, Boesen asked Hicks to take a lie detector test.Wagenbach rejected a bid by Elliott to introduce as evidence an offer made to Mrs Moon to take a lie detector test.Too little; far, far, far too much, straight to a lie detector.Kids have a built-in lie detector.Why, he asked, did the only lie detector test given indicate deception?lie detector testFor his own information, Boesen asked Hicks to take a lie detector test.Wagenbach rejected a bid by Elliott to introduce as evidence an offer made to Mrs Moon to take a lie detector test.Why, he asked, did the only lie detector test given indicate deception?
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