English dictionary
polygraph
/'p/A/l/i/,gr/&/f/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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a medical instrument that records several physiological processes simultaneously (e.g., pulse rate and blood pressure and respiration and perspiration)
Source: WordNet 3.0
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An instrument for multiplying copies of a writing; a manifold writer; a copying machine.
Source: webster1913