Meaning Of The Word Polygraph

Real Dictionary

What's the definition of Polygraph? Find Polygraph meanings, definitions and more at the Real Dictionary online.

Polygraph Meaning

Polygraph Definition
Polygraph Definition

What's The Definition Of Polygraph?

polygraph
countable noun: A polygraph or a polygraph test is a test which is used by the police to try to find out whether someone is telling the truth.

polygraph in American English
an early device for reproducing writings or drawings
noun: an instrument for receiving and recording simultaneously tracings of variations in certain body activities
transitive verb: to test (a person) with a polygraph

polygraph in British English
noun: an instrument for the simultaneous electrical or mechanical recording of several involuntary physiological activities, including blood pressure, skin resistivity, pulse rate, respiration, and sweating, used esp as a would-be lie detector

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