heart disease

noun

: an abnormal condition of the heart or of the heart and circulation (such as coronary heart disease, arrhythmia, or heart-valve defect)

Examples of heart disease in a Sentence

Recent Examples on the Web
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Lifelong impairments like cerebral palsy, multiple sclerosis, blindness, deafness, autism, and ADHD, as well as severe chronic illnesses like diabetes or heart disease, are covered. Madison Dapcevich, Outside, 28 Mar. 2026 Interacting with animals may help reduce blood pressure, lower heart rate and decrease the long-term risk of heart disease. CBS News, 27 Mar. 2026 High blood pressure, high cholesterol, Type 2 diabetes, heart disease and heart failure — very expensive diseases to manage — cancer, sleep apnea, osteoarthritis, kidney disease, liver disease, lower quality of life. Mary Murphy, Twin Cities, 26 Mar. 2026 Exposure can cause skin damage and radiation sickness, while long-term risks include cancer, heart disease and genetic damage. Tammy Webber, Los Angeles Times, 26 Mar. 2026 See All Example Sentences for heart disease

Word History

First Known Use

1830, in the meaning defined above

Time Traveler
The first known use of heart disease was in 1830

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Cite this Entry

“Heart disease.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heart%20disease. Accessed 2 Apr. 2026.

Kids Definition

heart disease

noun
: an abnormal condition of the heart or of the heart and blood circulation

Medical Definition

heart disease

noun
: an abnormal condition of the heart or of the heart and circulation (as coronary heart disease, arrhythmia, or heart-valve defect)

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