Polygraph Definition and Legal Meaning

On this page, you'll find the legal definition and meaning of Polygraph, written in plain English, along with examples of how it is used.

What is Polygraph?

n.It is a device or an instrument which is use to detect whether a person is speaking truth or not.It helps to find out the authencity of the statement given by a person.The test performd is called a lie detector test.