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Discover LudwigThe phrase "a polygraph" is correct and usable in written English.
It can be used when referring to a device that measures physiological responses to determine truthfulness, often called a lie detector.
Example: "The investigator decided to administer a polygraph to assess the suspect's honesty during the interrogation."
Alternatives: "a lie detector" or "a truth verification device".
Exact(59)
Hood took a polygraph exam.
He agreed to take a polygraph test.
And I will literally take a polygraph.
"Worst-case scenario, we have a polygraph".
Sampson offered to take a polygraph.
A polygraph test he took indicated deception.
It wasn't an exit interview — it was a polygraph.
He failed a polygraph, though he swears he didn't lie.
One day, Fisher asked Beverly to take a polygraph.
She took a polygraph test day before yesterday".
"I'd take a polygraph to it," he said.
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CEO of Professional Science Editing for Scientists @ prosciediting.com