polygraphist
/pəˈlɪɡrəfɪst/
noun
- A person who administers and interprets lie detector (polygraph) tests; a polygrapher.
- The defense attorney hired an independent polygraphist to verify the witness's truthfulness.
- As a certified polygraphist, she had conducted over a thousand examinations.
- The polygraphist carefully calibrated the machine before the suspect entered the room.
Synonyms