Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An instrument that simultaneously records changes in physiological processes such as heartbeat, blood pressure, and respiration, often used as a lie detector.
  • transitive v. To test (a criminal suspect, for example) with a polygraph.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. 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.
  • n. An mechanical instrument for multiplying copies of a writing, resembling multiple pantographs.
  • n. A collection of different works, either by one or several authors.
  • v. To administer a polygraph test.

from the GNU version of the Collaborative International Dictionary of English

  • n. An instrument for multiplying copies of a writing; a manifold writer; a copying machine.
  • n. In bibliography, a collection of different works, either by one or several authors.

from The Century Dictionary and Cyclopedia

  • n. An instrument for multiplying copies of a writing; a gelatin copying-pad.
  • n. An author of many works.
  • n. A collection of different works written either by one or by different authors; a book containing articles or treatises on different subjects.
  • n. A modified form of sphygmograph by which two or more tracings can be taken simultaneously.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a medical instrument that records several physiological processes simultaneously (e.g., pulse rate and blood pressure and respiration and perspiration)

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

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