polygraph
nounverbattested in dialogue
- //ˈpɒliɡɹæf//
- //ˈpɒliɡɹɑːf//
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 posed to a subject, in an attempt to detect deception.
noun
- 1
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 posed to a subject, in an attempt to detect deception.
It used to be just a plain office with a chair and some instruments on a table. Then they got the new, fancy polygraph system.
- 2
datedA mechanical instrument for multiplying copies of a writing, resembling multiple pantographs.
- 3
archaicA collection of different works, either by one or several authors.
- 4
A group of letters that represent a single phoneme.
- 5
Any group of letters treated as a single item.
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.
- 6
An author who writes on many subjects.
- 7
A multidimensional directed graph.
Etymology
From poly- + -graph.
verb
- 1
To administer a polygraph test to.
The FBI polygraphed the suspect but learned nothing because they already knew he was lying.
Forms
- plural
- polygraphs
- past tense
- polygraphed
- past participle
- polygraphed
- present participle
- polygraphing
- third person singular
- polygraphs
polygraph · A device which measures and records several physiological variables such as blood pressure, heart rate, respiration and skin conductivity while a…
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