Third-person singular simple present indicative form of polygraph.(verb)
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Use "polygraphs" in a sentence
"I’ll believe that DA’s, judges and the like are serious about applying actual science when they stop any and all use of polygraphs, which is total junk science, and also put much stricter controls on the labs doing drugtests."
"… The psychologist warned that existing lie detectors such as polygraphs - which monitor physiological changes such as blood pressure and body temperature - implicate too many innocent people."
"Mr. Calderon's administration has laid out a strategy to expand and revamp the federal police and to force states, cities and towns to modernize and clean up their forces with tools such as polygraphs and drug tests."