What is another word for lie detector?
Pronunciation: [lˈa͡ɪ dɪtˈɛktə] (IPA) 
There are several synonyms for the term "lie detector" that can be used interchangeably. The first synonym is "polygraph," which is a machine used for detecting changes in an individual's physiological responses when answering questions. Another synonym for a lie detector is "deception detection technology" that uses various methods to determine whether a person is lying or telling the truth. "Truth verifier" and "truth teller" are also synonyms for lie detectors, indicating their primary purpose in separating truth from deception. Lastly, "psychophysiological detection of deception" is another synonym for a lie detector, which involves the detection and analysis of physiological changes such as blood pressure, body temperature, and heart rate.
