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lie detector ['laɪdɪ'tektə]
radiobiol.	detector de mentiras; polígrafo
English thesaurus
lie detector ['laɪdɪ'tektə]
law	machine which measures heart rate to determine if a person is lying; A machine which records by a needle on a graph varying emotional disturbances when answering questions truly or falsely, as indicated by fluctuations in blood pressure, respiration, or perspiration