• synonyms


[kahy-muh-graf, -grahf]
  1. an instrument for measuring and graphically recording variations in fluid pressure, as those of the human pulse.
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Also cymograph.

Origin of kymograph

First recorded in 1865–70; kymo- + -graph
Related formsky·mo·graph·ic [kahy-muh-graf-ik] /ˌkaɪ məˈgræf ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for kymograph

Historical Examples

  • By the kymograph respirations were found to become shallower in proportion to their frequency.

    On Snake-Poison: its Action and its Antidote

    A. Mueller

  • The micrometer measurements in this case could be made at least as rapidly as measurements of kymograph curves.

British Dictionary definitions for kymograph



  1. med a rotatable drum for holding paper on which a tracking stylus continuously records variations in blood pressure, respiratory movements, etc
  2. phonetics this device as applied to the measurement of variations in the muscular action of the articulatory organs
  3. an instrument for recording the angular oscillations of an aircraft in flight
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Derived Formskymographic or cymographic, adjective

Word Origin

C20: from Greek kuma wave + -graph
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

kymograph in Medicine


  1. An instrument for recording variations in pressure, as of the blood, or in tension, as of a muscle, by means of a pen or stylus that marks a rotating drum.
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Related formsky′mo•graphic adj.kymo•gram′ (-grăm′) n.ky•mogra•phy (-mŏgrə-fē) n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.