A person skilled in the operation of a polygraph. noun.

What's a polygraphist?

(pəˈlɪɡrəfə) or polygraphist (pəˈlɪɡrəfɪst) noun. a person who employs a code cipher. printing. a device used to copy a document.

What do you call a polygrapher?

Learn About the Salary, Required Skills, & More

Lie detector tests are conducted by highly trained and disciplined technicians, known as polygraph examiners. The term polygraph means many writings. ... The polygraph is the subject of skepticism and misunderstanding.