Meaning of polygraph
Pronunciation: (pol'i-graf", -gräf"), [key]
- an instrument for receiving and recording simultaneously tracings of variations in certain body activities.
- a test using such an instrument to determine if a person is telling the truth.
- an apparatus for producing copies of a drawing or writing.
- a prolific or versatile author.
- to test (a person) with a polygraph.
- polygraph (Thesaurus)