polygraph

Meanings

Noun

• 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.
• Any group of letters treated as a single item.

Verb

• To administer a polygraph test to.

Origin

• poly- + -graph