1. relating to or involving a polygraph (lie detector)
Usage: technical
2. relating to or involving multiple forms of writing or reproduction
Usage: technical

Examples

• The suspect underwent polygraphic testing as part of the investigation.
• Polygraphic evidence is not always admissible in court.
• The detective requested polygraphic examination of the witness.
• Modern polygraphic equipment can detect subtle physiological changes.
• The polygraphic analysis revealed inconsistencies in his testimony.
• She specialized in polygraphic techniques for criminal investigations.