cardiology

1 of 2

noun

car·​di·​ol·​o·​gy ˌkär-dē-ˈä-lə-jē 

: the study of the heart and its action and diseases

cardiological

ˌkär-dē-ə-ˈlä-ji-kəl 

adjective

cardiologist

ˌkär-dē-ˈä-lə-jist 

noun

cardiologic

2 of 2

adjective

car·​dio·​log·​ic

¦kär-dē-ə-¦lä-jik

: relating to the study of the heart

cardiological

¦kär-dē-ə-¦lä-ji-kəl 

adjective

Did you know?

The Heart of Cardiology

The root card- (closely related to cord) shows up in many heart-related words. Cardiologists frequently find themselves studying cardiograms, the charts of heart activity, made by machines called cardiographs. Heart attacks, and deaths caused by them, have both declined as a result of better medical emergency procedures, cholesterol-lowering drugs, and a decline in smoking. But the factors likely to actually improve heart health, such as better diets and more cardiovascular exercise (exercise, such as running, that improves the heart and blood vessels), haven't made any progress at all. So we should all be prepared to perform cardiopulmonary resuscitation (an emergency procedure done on someone whose heart has stopped, to get the heart and lungs working again).

Examples of cardiology in a Sentence

Noun

a doctor who specializes in cardiology

Recent Examples on the Web

Noun

The drug isn't approved for preventing heart attacks, strokes or extending life, but there's growing interest among experts in the field of cardiology and men's health in the potential preventive health role of tadalafil and similar medications. — Brittney Melton, NPR, 18 Aug. 2026

My program begins with an extensive health assessment that includes an EKG, an ECG, skin analysis, a cardiology consultation, and a preliminary meeting with a physician. — Ken Gawrych, Robb Report, 16 Aug. 2026

The World Health Organization reported damage to health facilities, including the collapse of cardiology and pediatric areas at Hospital Universitario del Valle. — Antonio María Delgado, Miami Herald, 11 Aug. 2026

Scripps La Jolla is ranked 16th in diabetes and endocrinology, 32nd in cardiology and vascular surgery, and 36th in obstetrics and gynecology. — Paul Sisson, San Diego Union-Tribune, 4 Aug. 2026

Word History

Etymology

Noun

International Scientific Vocabulary

Adjective

International Scientific Vocabulary cardiology + -ic

First Known Use

Noun

1837, in the meaning defined above

Rhymes for cardiology

• anthology
• apology
• astrology
• biology
• christology
• chronology
• conchology
• cosmology
• cryptology
• cytology
• doxology
• ecology

Medical Definition

cardiology

noun

car·​di·​ol·​o·​gy ˌkärd-ē-ˈäl-ə-jē 

plural cardiologies

: the study of the heart and its action and diseases

cardiological

-ē-ə-ˈläj-i-kəl 

adjective

cardiologist

-ē-ˈäl-ə-jəst 

noun