Polygraph vs. Polygraphy

Polygraph vs. Polygraphy — Is There a Difference?

Difference Between Polygraph and Polygraphy

Polygraphnoun

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.

Polygraphynoun

Much writing; writing of many books.

Polygraphverb

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

Polygraphynoun

The art of writing in various ciphers, and of deciphering the same.

Polygraphnoun

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.

Polygraphynoun

The art or practice of using a polygraph.

Polygraphnoun

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

Polygraphnoun

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

Polygraphnoun

(linguistics) A group of letters that represent a single phoneme.

Polygraphnoun

Any group of letters treated as a single item.

Polygraphverb

(transitive) To administer a polygraph test to.

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

Polygraphnoun

a medical instrument that records several physiological processes simultaneously (e.g., pulse rate and blood pressure and respiration and perspiration)