polygraph: Meaning and Definition of

pol•y•graph

Pronunciation: (pol'i-graf", -gräf"), [key]
— n.
  1. an instrument for receiving and recording simultaneously tracings of variations in certain body activities.
  2. a test using such an instrument to determine if a person is telling the truth.
  3. See
  4. an apparatus for producing copies of a drawing or writing.
  5. a prolific or versatile author.
—v.t.
  1. to test (a person) with a polygraph.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
polygonaceous polygynist
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