myocarditis

noun

myo·​car·​di·​tis ˌmī-ə-(ˌ)kär-ˈdī-təs How to pronounce myocarditis (audio)
: inflammation of the myocardium

Examples of myocarditis in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Third, Xofluza is better at heading off serious post-flu complications such as pneumonia or myocarditis. — Sarah Zhang, The Atlantic, 12 Jan. 2026 She was diagnosed with lymphocytic myocarditis, an inflammation of the heart muscle. — Wendy Grossman Kantor, PEOPLE, 1 May 2026 Cases of myocarditis have also declined dramatically in recent years. — Annika Kim Constantino, CNBC, 12 Dec. 2025 This is nearly equivalent to the background rate of myocarditis of less than 2 per million, or the rate expected in any population regardless of vaccination. — Omer Awan, Forbes.com, 5 Mar. 2026 See All Example Sentences for myocarditis

Word History

Etymology

New Latin

First Known Use

circa 1848, in the meaning defined above

Time Traveler
The first known use of myocarditis was circa 1848

Rhymes for myocarditis

See All Rhymes for myocarditis

Browse Nearby Words

myocardial infarction
myocarditis
myocardium
See all Nearby Words

Cite this Entry

“Myocarditis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/myocarditis. Accessed 7 Jul. 2026.

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Medical Definition

myocarditis

noun
myo·​car·​di·​tis ˌmī-ə-(ˌ)kär-ˈdīt-əs How to pronounce myocarditis (audio)
: inflammation of the myocardium

More from Merriam-Webster on myocarditis

Britannica.com: Encyclopedia article about myocarditis

Last Updated: - Updated example sentences
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