Noun
a polygraph that records bodily changes sometimes associated with lying
Source: WordNetlie-detector
Champagne, if you are seeking the truth, is better than a lie detector. It encourages a man to be expansive, even reckless, while lie detectors are only a challenge to tell lies successfully. Graham Greene
He took a lie detector test. I had him take a polygraph, which he passed, which forever destroyed my faith in polygraphs (laughter). Hillary Clinton
Many criminals believe what they say is true; they could pass a lie detector test. Michael Moore
When the National Security Agency recruited me, they put me through a day of lie detector tests. They found out all my weaknesses and immediately seduced me. They used the strongest drugs in our culture, sex, power and money, to win me over. John Perkins
As accusations and counter-accusations continue between the senator and businessman, the opted for a lie detector test in order to determine who is lying between the two men. Source: Internet
He took a lie detector test, failed it and confessed. Source: Internet