noun
EXAMPLES FROM CORPUS
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For his own information, Boesen asked Hicks to take a lie detector test.
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Kids have a built-in lie detector .
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Too little; far, far, far too much, straight to a lie detector .
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Wagenbach rejected a bid by Elliott to introduce as evidence an offer made to Mrs Moon to take a lie detector test.
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Why, he asked, did the only lie detector test given indicate deception?