Definition of Spirograph

1. Noun. A measuring instrument for recording the depth and rapidity of breathing movements.


Definition of Spirograph

1. n. An instrument for recording the respiratory movements, as the sphygmograph does those of the pulse.

Definition of Spirograph

1. Proper noun. a geometric drawing toy consisting of a set of plastic gears and toothed rings ¹

2. Noun. (medicine) an instrument for measuring and recording the depth and rapidity of breathing movements ¹

¹ Source: wiktionary.com

Medical Definition of Spirograph

1. An instrument for recording the respiratory movements, as the sphygmograph does those of the pulse. Origin: L. Spirare to breathe + -graph. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Spirograph

spirocyclobutanes
spirocycloheptane
spirocycloheptanes
spirocyclohexane
spirocyclohexanes
spirocyclononane
spirocyclononanes
spirocyclooctane
spirocyclooctanes
spirocyclopentane
spirocyclopentanes
spirocyclopropane
spirocyclopropanes
spiroffite
spirogram
spirograph (current term)
spirographs
spirogyra
spirogyras
spirohydantoin
spiroid
spiroketal
spiroketals
spirolactam
spirolactams
spirometer
spirometers
spirometery
spirometra
spirometre

Literary usage of Spirograph

Below you will find example usage of this term as found in modern and/or classical literature:

1. A Laboratory guide in physiology by Winfield Scott Hall (1897)
"These are various and consist of scales, meter tape, calipers, dynamometers, spirometer, etc., etc. Fig. 17 shows the belt-spirograph ..."

2. The Retrospect of Practical Medicine and Surgery: Being a Half-yearly edited by William Braithwaite, James Braithwaite, Edmond Fauriel Trevelyan (1868)
"... would be of the slightest use as a spirograph. And the reason of this is very obvious. As most of the readers of the Lancet are aware, ..."

3. A Textbook of physiology by Winfield Scott Hall (1899)
"... average in depth of inspiration and some beyond the average in extent of expiration. 4. The Belt spirograph.—Various forms of the belt spiro- graph or ..."

4. A Laboratory Guide in Physiology by Winfield Scott Hall (1897)
"The belt-spirograph. The apparatus here described was contrived to overcome as ... The Belt-spirograph for quantitative determination of variations in chest ..."

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