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cardiology

American  
[kahr-dee-ol-uh-jee] / ˌkɑr diˈɒl ə dʒi /

noun

  1. the study of the heart and its functions in health and disease.


cardiology British  
/ ˌkɑːdɪˈɒlədʒɪ, ˌkɑːdɪəˈlɒdʒɪkəl /

noun

  1. the branch of medical science concerned with the heart and its diseases

"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

cardiology Scientific  
/ kär′dē-ŏlə-jē /
  1. The branch of medicine that deals with diagnosis and treatment of disorders of the heart.


cardiology Cultural  
  1. The branch of medicine devoted to the study and care of the heart and circulatory system.


Other Word Forms

Etymology

Origin of cardiology

First recorded in 1840–50; cardio- + -logy

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Dr. Ami Bhatt, a cardiologist and the chief innovation officer of the American College of Cardiology, said this data is vulnerable when patients use chatbots, which don’t offer healthcare-grade privacy and security protections.

From The Wall Street Journal • Apr. 4, 2026

There are now new guidelines, which were published Friday by the American College of Cardiology and the American Heart Association, that will change how we think about cardiovascular disease prevention — and specifically cholesterol.

From MarketWatch • Mar. 19, 2026

Andrew Marks is also the Clyde and Helen Wu Professor of Medicine at Columbia University Vagelos College of Physicians and Surgeons, a professor of biomedical engineering, and director of the Wu Center for Molecular Cardiology.

From Science Daily • Jan. 14, 2026

These findings were reported in a new study published Wednesday in the Journal of the American College of Cardiology.

From Los Angeles Times • Dec. 17, 2025

The research was published Wednesday in the Journal of the American College of Cardiology.

From The Wall Street Journal • Dec. 17, 2025