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 posed to a subject, in an attempt to detect deception.

Noun

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. - 1992, Neal Stephenson, Snow Crash, page 270:
Synonyms: lie detector
A mechanical instrument for multiplying copies of a writing, resembling multiple pantographs.
Synonyms: manifold writer autopen
A collection of different works, either by one or several authors.
A group of letters that represent a single phoneme.
Synonyms: multigraph
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...
An author who writes on many subjects.
A multidimensional directed graph.
Synonyms: computad