Polygraph
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Pertaining to, or employed in, polygraphy; as, a polygraphicinstrument.
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–noun
an instrument for receiving and recording simultaneously tracings of variations in certain body activities.
a test using such an instrument to determine if a person is telling the truth.
lie detector.
an apparatus for producing copies of a drawing or writing.
a prolific or versatile author.
–verb (used with object)
6. to test (a person) with a polygraph.
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