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“polygraphy”
polygraphy
1. An apparatus, on the principle of the pantograph, for producing two or more identical drawings or writings simultaneously.
2. An instrument for obtaining tracings of movements in various parts of the body; a myograph.
3. An instrument for recording changes in respiration, blood pressure, galvanic skin response, and other physiological changes while the person is questioned about some matter or asked to give associations to relevant and irrelevant words; the physiological changes are presumed to be indicators of emotional reactions, and thus whether the person is telling the truth.
4. In cryptography, a group of two or more letters.
5. In phonetics, a group of three or more letters expressing a simple sound of speech.
2. An instrument for obtaining tracings of movements in various parts of the body; a myograph.
3. An instrument for recording changes in respiration, blood pressure, galvanic skin response, and other physiological changes while the person is questioned about some matter or asked to give associations to relevant and irrelevant words; the physiological changes are presumed to be indicators of emotional reactions, and thus whether the person is telling the truth.
4. In cryptography, a group of two or more letters.
5. In phonetics, a group of three or more letters expressing a simple sound of speech.