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English definition of “polygraph”


noun [C] uk   /ˈpɒl.ɪ.ɡrɑːf/ us    /ˈpɑː.lɪ.ɡræf/
a piece of electronic equipment used to try to discover if someone is telling liesRelating to detection and solving crimesLies, lying and hypocrisyDishonest people
(Definition of polygraph from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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