| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,725,334,130 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
lie detector |
Also found in: Dictionary/thesaurus, Legal, Encyclopedia, Wikipedia, Hutchinson | 0.04 sec. |
|
detector /de·tec·tor/ (de-tek´ter) an instrument or apparatus for revealing the presence of something. lie detector polygraph.
lie detector Etymology: AS, leogan, untruth; L, detegere, to uncover an electronic device or instrument used to detect lying or anxiety in regard to specific questions. A commonly used lie detector is the polygraph recorder that senses and records pulse, respiratory rate, blood pressure, and perspiration. Some experts hold that certain patterns indicate the presence of anxiety, guilt, or fear-emotions that are likely to occur when the subject is lying. lie detector Psychology A device that detects chest and abdominal movement during respiration, heart rate, BP, and galvanic skin conductance due to sweating. See Polygraph test. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| ? Mentioned in | ? References in periodicals archive | |
|---|---|---|
Detectives said the younger Clark, who resembled a man seen in mall security camera footage, failed a lie-detector test and confessed Monday night to the crime. Brain fingerprinting" is more accurate than a conventional lie-detector test, or polygraph, because It's a sad commentary that many retail businesses must resort to lie-detector tests in advance to help select honest clerks and employees. |
| Medical Dictionary |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|