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English definition of “polygraph”

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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 lies
Synonym
Translations of “polygraph”
in Chinese (Traditional) 測謊儀…
in Chinese (Simplified) 测谎仪…
(Definition of polygraph from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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