polygraph
9 letters · noun · scores 2,600 in SpellHuntr
noun
a medical instrument that records several physiological processes simultaneously (e.g., pulse rate and blood pressure and respiration and perspiration)
Polygraph in a sentence
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.
The FBI polygraphed the suspect but learned nothing because they already knew he was lying.
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