Meaning of “polygraph” in the English Dictionary

british dictionary

"polygraph" in British English

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polygraphnoun [ C ]

uk /ˈpɒl.i.ɡrɑːf/ us /ˈpɑː.li.ɡræf/

a piece of electronic equipment used to try to discover if someone is telling lies

Synonym

(Definition of “polygraph” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"polygraph" in American English

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polygraphnoun [ C ]

us /ˈpɑl·ɪˌɡræf/

fml a lie detector

(Definition of “polygraph” from the Cambridge Academic Content Dictionary © Cambridge University Press)

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