Meaning Of The Word Lie detector
What's the definition of Lie detector? Find Lie detector meanings, definitions and more at the Real Dictionary online.
Lie detector Meaning
| Lie detector Definition |
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What's The Definition Of Lie detector?
lie detector
A lie detector is an electronic machine used mainly by the police to find out whether a suspect is telling the truth. lie detector in American English a polygraph used on persons suspected of lying: it records certain bodily changes assumed to occur when the subject lies in answering questions noun: a polygraph used to determine changes in certain body activities, as blood pressure, pulse, breathing, and perspiration, the results of which may be interpreted to indicate the truth or falsity of a person's answers under questioning lie detector in British English noun: 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 |
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