polygraph

A device which measures and records several physiological variables such as blood pressure, heart rate, respiration and skin conductivity while a series of questions is being asked to a subject, in an attempt to detect lies.

A mechanical instrument for multiplying copies of a writing, resembling multiple pantographs.

A collection of different works, either by one or several authors.

A group of letters that represent a single phoneme.

To administer a polygraph test to.

“The FBI polygraphed the suspect but learned nothing because they already knew he was lying.”