polygraph
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English
[edit]Etymology
[edit]Pronunciation
[edit]Noun
[edit]polygraph (plural polygraphs)
- 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.
- Synonym: lie detector
- (dated) A mechanical instrument for multiplying copies of a writing, resembling multiple pantographs.
- Synonyms: manifold writer, autopen
- (archaic) A collection of different works, either by one or several authors.
- (linguistics) A group of letters that represent a single phoneme.
- Any group of letters treated as a single item.
- 2002, Robert Churchhouse, Codes and Ciphers: Julius Caesar, the Enigma, and the Internet, page 3:
- A polygraph consists of an unspecified number of adjacent letters. A polygraph need not be recognisable as a word in a language but if we are attempting to decipher a message which is expected to be in English and we find the heptagraph MEETING it is much more promising than if we find a heptagraph such as DKRPIGX.
- An author who writes on many subjects.
- (mathematics) A multidimensional directed graph; a computad.
Translations
[edit]device to discern if a subject is lying — see also lie detector
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Verb
[edit]polygraph (third-person singular simple present polygraphs, present participle polygraphing, simple past and past participle polygraphed)
- (transitive) To administer a polygraph test to.
- The FBI polygraphed the suspect but learned nothing because they already knew he was lying.
See also
[edit]Categories:
- English terms prefixed with poly-
- English terms suffixed with -graph
- English 3-syllable words
- English terms with IPA pronunciation
- English terms with audio pronunciation
- Rhymes:English/æf
- Rhymes:English/ɑːf
- Rhymes:English/ɑːf/3 syllables
- English lemmas
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- English countable nouns
- English dated terms
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- en:Linguistics
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- en:Mathematics
- English verbs
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- en:Pseudoscience