Table of Contents
Definition of Polygraph in visual dictionary together with synonyms and in real context for GRE candidates and advanced ESL learners. All of the synonyms are also carefully illustrated.
/ˈpɒl.ɪ.grɑːf/ US /ˈpɑː.lɪ.græf/ (noun)
Definition
a special machine as a lie detector used to monitor significant physiological changes in a person such as heartbeat, breathing or pulse changes to determine whether the person is lying or not, lie detector, tester, recorder
a test using a polygraph or lie detector
Example
A polygraph, popularly referred to as a lie detector test, is a device or procedure that measures and records several physiological indicators such as blood pressure, pulse, respiration, and skin conductivity while a person is asked and answers a series of questions.
Source of example: https://en.wikipedia.org/
Parts of speech
Adjective: polygraphic
Adverb: polygraphically
