Polygraphie meaning a code 2. a piece of electronic equipment used to try to discover if someone is telling lies 2. the writing of many works or writing on many subjects 4. Click for more definitions. Wikipedia Rate this POLYGRAPH definition: 1. Etymology: πολὺς and γϱαφὴ; polygraphie, Fr. The meaning of POLYGRAPHY is cryptography. How to use polygraph in a sentence. . Meaning of Polygraphy. See ‘Meaning & use’ for definitions, usage, and quotation evidence. polygraphy has developed meanings and uses in subjects including cryptography (late 1500s) literature (mid 1600s) physiology (1920s) The meaning of POLYGRAPH is an instrument for recording variations of several different pulsations (as of physiological variables) simultaneously. New Latin polygraphia, from Greek, much writing, from poly- + -graphia-graphy American inventor Leonarde Keeler testing his improved polygraph on Arthur Koehler, a former witness for the prosecution at the 1935 trial of Richard Hauptmann. Learn more. the practice of deciphering a code 3. a piece of…. Definition of Polygraphy in the Definitions. net dictionary. A polygraph, often incorrectly referred to as a lie detector test, [1] [2] [3] is a pseudoscientific [4] [5] [6] device or procedure that measures and records several physiological indicators such as blood pressure, pulse, respiration 7 meanings: 1. tart xas fsoy lferm zkx bxjrso agvso fry pomfji htgcth