Clues for the word "POLYGRAPH"

We've had 5 crossword clues used for this word, and seen it 6 times in crosswords. It was last seen in New York Times crossword on October 03, 2024.

Definition of polygraph

n. - An instrument for multiplying copies of a writing; a manifold writer; a copying machine.
n. - In bibliography, a collection of different works, either by one or several authors.
n. - An instrument for detecting deceptive statements by a subject, by measuring several physiological states of the subject, such as pulse, heartbeat, and sweating. The instrument records these parameters on a strip of paper while the subject is asked questions designed to elicit emotional responses when the subject tries to deceive the interrogator. Also called lie detector