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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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n. - A medical instrument that records several physiological processes simultaneously (e.g., pulse rate and blood pressure and respiration and perspiration).

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Usage examples (36)
  • And to ask someone to take a polygraph is a major thing, but she said she was willing to do it.
  • A machine, which he calls a polygraph, and which carries two, three, or four pens.
  • WASDEN: The polygraph is a useful investigative tool.
  • I think the polygraph is a better investigative tool.
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The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.