polygraph

The polygraph, which uses a range of measurements including blood pressure, was patented by Leonarde Keeler in 1931.

By way of proving his innocence, DeMaio took a polygraph test—and passed.

Yesterday, The Daily Beast revealed that Egan had, according to his lawyer Jeff Herman, passed a polygraph test.

DeMaio responded to the “vicious rumor” by taking a polygraph test, which he passed.

Forced to take a polygraph test, Saul is asked a question to establish a baseline reading: “Are you sometimes called ‘The Bear’?”

Polygraph, pol′i-graf, n. an instrument for multiplying copies of a writing: a collection of different books.

Either your girl's mistaken or Van Dellen and his polygraph tech and I were taken in by a brand-new technique.

It is an interpretation made by human beings of what the machine, the polygraph, shows.

Because you can only answer yes or no on the polygraph examination.

All I want to do is tell the truth, and the only way you can know it is by the polygraph, as that is the only way you can know it.