资料来源 : Webster's Revised Unabridged Dictionary (1913)

Polygraphic \Pol`y*graph"ic\, Polygraphical \Pol`y*graph"ic*al\,
   a. [Cf. F. polygraphique.]
   Pertaining to, or employed in, polygraphy; as, a polygraphic
   instrument.

   2. Done with a polygraph; as, a polygraphic copy.