Translation of "lie detector" into Spanish

detector de mentiras, polígrafo are the top translations of "lie detector" into Spanish.

lie detector noun grammar

(informal) A polygraph, a device which measures and records several physiological variables such as blood pressure, heart rate, respiration and skin conductivity while a series of questions is being asked to a subject, in an attempt to detect lies. [..]

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English-Spanish dictionary

  • detector de mentiras

    noun masculine

    Sweetie, we don't have money for fancy lie detectors.

    Cariño, no tenemos presupuesto para sofisticados detectores de mentiras.

  • polígrafo

    noun masculine

    One day, Tuco's settling up with Dog, he decides to put on his lie detector.

    Un día, haciendo cuentas con Dog, Tuco le aplica su polígrafo.

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