Definitions of polygraph
The word polygraph uses 9 letters: a, g, h, l, o, p, p, r, y
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Meanings 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
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