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cardiograph

car·dio·graph

noun \-ˌgraf\

: an instrument that registers graphically movements of the heart

—car·di·og·ra·pher \ˌkärd-ē-ˈäg-rə-fər\ noun

—car·dio·graph·ic \ˌkärd-ē-ə-ˈgraf-ik\ adjective

—car·di·og·ra·phy \ˌkärd-ē-ˈäg-rə-fē\ noun, plural car·di·og·ra·phies

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