polygraph Definition
a machine that measures and records changes in breathing, blood pressure, and other body functions, used especially as a lie detector.
Using polygraph: Examples
Take a moment to familiarize yourself with how "polygraph" can be used in various situations through the following examples!
Example
The suspect was asked to take a polygraph test to determine his involvement in the crime.
Example
Polygraphs are not admissible as evidence in court in many jurisdictions.
Example
The accuracy of polygraph tests has been widely debated among experts.
polygraph Synonyms and Antonyms
Synonyms for polygraph
- lie detector
- truth detector
Phrases with polygraph
Example
He thought he could beat the polygraph by controlling his breathing and heart rate.
Example
The polygraph examiner concluded that the suspect was lying based on the test results.
Example
Polygraph testing is often used in criminal investigations to determine the truthfulness of suspects.
Origins of polygraph
from Greek 'polus' meaning 'many' and 'graphein' meaning 'to write'
Summary: polygraph in Brief
A 'polygraph' [ˈpɒlɪɡrɑːf] is a machine that measures and records changes in breathing, blood pressure, and other body functions, used especially as a lie detector. It is often used in criminal investigations to determine the truthfulness of suspects. The accuracy of polygraph tests has been widely debated among experts.
