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|Look up polygraph in Wiktionary, the free dictionary.|
A polygraph is a forensic instrument.
Polygraph may refer to:
- Polygraph (author), an author that can write on a variety of different subjects
- Polygraph (duplicating device), a dual pen device that produces a simultaneous copy of an original while it is written in cursive writing
- Polygraph (mathematics), a mathematical generalisation of a directed graph in mathematics, also called a computad
- Autopen, an automatic signing instrument
|This disambiguation page lists articles associated with the title Polygraph.
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