dictionary.pt

polygraph

nounmasculinetechnicaluncommon/pu.li.ˈɣɾa.fu/po·lí·gra·fo

Definition

An instrument that simultaneously records several physiological functions (such as blood pressure, respiration), commonly used as a 'lie detector'.

“The suspect was subjected to a polygraph test.”

“Polygraph results are considered controversial.”

polygraph testpolygraph examinationpolygraph operator