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 posed to a subject, in an attempt to detect deception.

A group of letters that represent a single phoneme.

Any group of letters treated as a single item.

An author who writes on many subjects.

(old-fashioned) A mechanical instrument for multiplying copies of a writing, resembling multiple pantographs.

A multidimensional directed graph.

(no longer used) A collection of different works, either by one or several authors.

To administer a polygraph test to.