4 Usage Examples Depicting the Meaning of 'Polygraph' in a Sentence
"An instrument that simultaneously receives and records variations in certain body activities." more
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The detective relied on the polygraph's feedback to gauge the witness's sincerity in the courtroom.
Before being hired, the job applicant had to undergo a polygraph test to ensure honesty.
The polygraph's needles danced across the paper, revealing the truth hidden in the suspect's heartbeat.
The scientist calibrated the polygraph to measure the subject's heart rate and breathing patterns.
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