an instrument for recording respiratory movements.
Origin of spirograph
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for spirograph
Contemporary Examples of spirograph
Other coats were quiet and subdued from the back and aglow with Spirograph patterns on the front.Milan Fashion Week's Malaise
September 23, 2011
med an instrument for recording the movements of breathing
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
An instrument for registering the depth and rapidity of respiratory movements.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.