Origin of lie detector
Examples from the Web for lie detector
They needed no words; the lie-detector was telling them, perfectly obviously, that he was speaking the truth.
The Ruler flashed a look at the technicians handling the lie-detector.
He examined the indicators of the lie-detector with great care.
It was obviously a form of lie-detector—and Korvin felt himself marveling again at this race.
Korvin's guards were standing around doing nothing of importance now that their captor was strapped down in the lie-detector.