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# A [[device]] which measures and records several [[physiological]] variables such as [[blood pressure]], [[heart rate]], [[respiration]] and skin conductivity while a series of questions is being asked to a subject, in an attempt to detect lies. |
# A [[device]] which measures and records several [[physiological]] variables such as [[blood pressure]], [[heart rate]], [[respiration]] and skin conductivity while a series of questions is being asked to a subject, in an attempt to detect lies. |
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# {{ |
# {{lb|en|dated}} A mechanical instrument for multiplying copies of a writing, resembling multiple [[pantograph]]s. |
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# {{ |
# {{lb|en|archaic}} A collection of different works, either by one or several authors. |
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# {{lb|en|linguistics}} A group of [[letter]]s that represent a single [[phoneme]] |
# {{lb|en|linguistics}} A group of [[letter]]s that represent a single [[phoneme]] |
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Revision as of 20:12, 22 July 2016
English
Etymology
poly- "much" + -graph "writing"
Noun
polygraph (plural polygraphs)
polygraph
- A device which measures and records several physiological variables such as blood pressure, heart rate, respiration and skin conductivity while a series of questions is being asked to a subject, in an attempt to detect lies.
- (dated) A mechanical instrument for multiplying copies of a writing, resembling multiple pantographs.
- (archaic) A collection of different works, either by one or several authors.
- (linguistics) A group of letters that represent a single phoneme
Synonyms
- (device recording physiological measurements): lie detector
- (dated instrument for copying): manifold writer, autopen
![](http://upload.wikimedia.org/wikipedia/commons/thumb/e/ee/1804_Jeffersons-Polygraph-Monticello_Cville_VA.jpg/220px-1804_Jeffersons-Polygraph-Monticello_Cville_VA.jpg)
See also
polygraph on Wikipedia.Wikipedia
- truth serum
- digraph, trigraph etc
Translations
device to discern if a subject is lying
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Verb
polygraph (third-person singular simple present polygraphs, present participle polygraphing, simple past and past participle polygraphed)
- To administer a polygraph test.
- The FBI polygraphed the suspect but learned nothing because they already knew he was lying.