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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Higher fiber intake has also been associated with a reduced risk of chronic conditions, including heart disease and type 2 diabetes. — Emily Kay Votruba, EverydayHealth.com, 30 Oct. 2026 The retrospective cohort study looked at people with and without a history of heart disease. — Elizabeth Cooney, STAT, 30 Oct. 2026 As the economists Anne Case and Angus Deaton have shown, American adults without a four-year degree are dying younger, from overdoses, alcohol, suicide and heart disease. — Michelle A. Williams, Chicago Tribune, 29 Oct. 2026 For example, soluble fiber forms a gel in the digestive system and can help improve cholesterol levels and reduce the risk of heart disease. — Angelica Bottaro, Verywell Health, 29 Oct. 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 3 Nov. 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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