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[kahr-dee-uh-graf, -grahf] /ˈkɑr di əˌgræf, -ˌgrɑf/
Origin of cardiograph
First recorded in 1865-70; cardio- + -graph
Related forms
[kahr-dee-uh-graf-ik] /ˌkɑr di əˈgræf ɪk/ (Show IPA),
[kahr-dee-og-ruh-fee] /ˌkɑr diˈɒg rə fi/ (Show IPA),
noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for cardiograph
Historical Examples
  • The cardiograph is constructed with an unerring accuracy by which a one-hundredth part of a second is indicated on a graph.

    Autobiography of a YOGI Paramhansa Yogananda
  • The great botanist predicted that use of his cardiograph will lead to vivisection on plants instead of animals.

    Autobiography of a YOGI Paramhansa Yogananda
British Dictionary definitions for cardiograph


/ˈkɑːdɪəʊˌɡrɑːf; -ˌɡræf/
an instrument for recording the mechanical force and form of heart movements
short for electrocardiograph
Derived Forms
cardiographer (ˌkɑːdɪˈɒɡrəfə) noun
cardiographic (ˌkɑːdɪəʊˈɡræfɪk), cardiographical, adjective
cardiographically, adverb
cardiography, noun
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
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Word Origin and History for cardiograph

1867, from cardio- + -graph "something written."

Although the work does not treat of the recent means of diagnosis--the thermometer, laryngoscope, cardiograph, etc.,--still it is complete as far as it goes. [book review in "Medical Investigator," May 1867, p.94]

Online Etymology Dictionary, © 2010 Douglas Harper
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cardiograph in Medicine

cardiograph car·di·o·graph (kär'dē-ə-grāf')

  1. An instrument used to record the mechanical movements of the heart.

  2. See electrocardiograph.

car'di·og'ra·phy (-ŏg'rə-fē) n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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