How to pronounce“polygraph”in English
adjAll Video Occurrences for “polygraph” (4)Adjective clips
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Definitions of “polygraph”
A device which measures and records several physiological variables such as blood pressure, heart rate, respiration and skin conductivity while a series of questions is being posed to a subject, in an attempt to detect deception.
“It used to be just a plain office with a chair and some instruments on a table. Then they got the new, fancy polygraph system.”
A mechanical instrument for multiplying copies of a writing, resembling multiple pantographs.
To administer a polygraph test to.
“The FBI polygraphed the suspect but learned nothing because they already knew he was lying.”
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