myocarditis

American

[mahy-oh-kahr-dahy-tis] / ˌmaɪ oʊ kɑrˈdaɪ tɪs /

noun

Pathology.

inflammation of the myocardium.

myocarditis British

/ ˌmaɪəʊkɑːˈdaɪtɪs /

noun

inflammation of the heart muscle

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of myocarditis

First recorded in 1865–70; myo- + carditis

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

myocarditis

He went into hospital and was diagnosed with myocarditis, an inflammation of the heart usually caused by an infection.

From BBC ● Sep. 23, 2026

Since myocarditis is more common in males and estrogen has anti-inflammatory effects, he revisited genistein, a soy-derived compound his team had studied previously.

From Science Daily ● Dec. 27, 2025

Bakken returned to competition in 2024, having been kept out since 2022 with the heart condition myocarditis.

From BBC ● Dec. 23, 2025

Research published in medical journals indicates that myocarditis after a COVID-19 mRNA vaccine is rare, although it is more likely to occur in boys within the first week of receiving the second dose.

From MarketWatch ● Dec. 1, 2025

It is my medical opinion that in Hawaii you had an episode of myocarditis triggered by a viral infection.

From "Everything, Everything" by Nicola Yoon

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023