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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Both low-use and heavy-use groups had higher odds of developing heart disease. — Khloe Quill, FOXNews.com, 6 Nov. 2026 Early findings about its relationship with heart disease were mixed, and many studies were small and relied on radiologists’ visual review of mammograms. — Matthew Nudy, The Conversation, 5 Nov. 2026 Proponents argued that this investment would help researchers working to cure or treat new treatments for Alzheimer’s, heart disease, and cancer. — Theresa Gaffney, STAT, 5 Nov. 2026 Found in fatty fish, like salmon, tuna, and sardines, these nutrients reduce the risk of chronic diseases such as heart disease and inflammatory arthritis. — Lana Barhum, Verywell Health, 4 Nov. 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

Browse Nearby Words

Cite this Entry

“Heart disease.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heart%20disease. Accessed 11 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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