polygraph
noun
an instrument for receiving and recording simultaneously tracings of variations in certain body activities.
polygrapher
-
a word derived from
polygraph.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
During the examination, the polygrapher asked Hatley if she knew who shot Cynthia.
From Slate ● Apr. 6, 2026
Only Mr Nixon, a polygrapher and an interpreter were also present in the room.
From BBC ● Jan. 3, 2017
At one point, Detective Steve Finn, the polygrapher, tells Tapp he was deceptive when he denied involvement in the murder.
From Washington Times ● Jan. 29, 2016
Tessmann said this was the first he had heard of the mop, but a polygrapher testified that Tessmann told him about it prior to Rivera’s confession.
From New York Times ● Nov. 25, 2011
A bad polygrapher can easily misread emotionally disturbed subjects, a suspect who, contrary to good polygraph policy, has been subjected to extended questioning just before testing, or even a badly frightened innocent.
From Time Magazine Archive
