car·​dio·​graph ˈkär-dē-ə-ˌgraf How to pronounce cardiograph (audio)
: an instrument that graphically registers movements of the heart
cardiographic adjective
cardiography noun

Example Sentences

Recent Examples on the Web And the cardiograph, which measures the beatings of the heart. Megan Garber, The Atlantic, 29 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cardiograph.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History


International Scientific Vocabulary

First Known Use

1866, in the meaning defined above

Time Traveler
The first known use of cardiograph was in 1866

Dictionary Entries Near cardiograph

Cite this Entry

“Cardiograph.” Dictionary, Merriam-Webster, Accessed 28 Jan. 2023.

Medical Definition


car·​dio·​graph -ˌgraf How to pronounce cardiograph (audio)
: an instrument that registers graphically movements of the heart
cardiographer noun
cardiographic adjective
cardiography noun
plural cardiographies
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