Polygraph (disambiguation)

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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

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