polygraph

An instrument that measures the physiological responses of an individual to questions from an examiner who interprets the results as indicating the likelihood that the individual is telling or not telling the truth in giving the answers.

To test (a criminal suspect, for example) with a polygraph.

A modified form of sphygmograph by which two or more tracings can be taken simultaneously.

An instrument for multiplying copies of a writing; a gelatin copying-pad.

An author of many works.

A collection of different works written either by one or by different authors; a book containing articles or treatises on different subjects.

An instrument for multiplying copies of a writing; a manifold writer; a copying machine.

In bibliography, a collection of different works, either by one or several authors.

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.

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