Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun An instrument for registering the depth and rapidity of respiratory movements.

from The Century Dictionary.

  • noun A device for drawing spirals.
  • noun Same as atmograph, 1.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Physiol.) An instrument for recording the respiratory movements, as the sphygmograph does those of the pulse.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun medicine an instrument for measuring and recording the depth and rapidity of breathing movements

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

  • noun a measuring instrument for recording the depth and rapidity of breathing movements

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

spiro- +‎ graph

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Examples

Comments

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  • Spirograph is a registered trademark of Hasbro, Inc., for a geometric drawing toy.

    The Spirograph produces mathematical curves of the variety technically known as hypotrochoids and epitrochoids.

    The Spirograph was invented by British engineer Denys Fisher who exhibited it in 1965 at the Nuremberg International Toy Fair. It was subsequently produced by his company. Distribution rights were acquired by Kenner, Inc., which introduced it to the United States' market in 1966.

    _Wikipedia

    February 12, 2008

  • I had a spiro agnew graph — wasn't fun at all

    November 7, 2009