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.

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

In June, the FDA added the risks of myocarditis and pericarditis to Comirnaty and SpikeVax, Moderna’s shot.

From MarketWatch • Dec. 1, 2025

What’s more, another 2024 study showed that people who developed myocarditis after vaccination had fewer complications than those who developed the condition after getting infected with COVID-19.

From Salon • Sep. 5, 2025

A paper listed as support for the myocarditis threat, for example, states, “no causality can be assumed or established” linking the condition to the vaccine because of the lack of a control group for comparison.

From Los Angeles Times • Aug. 12, 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

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