cardiac

1 of 2

adjective

car·​di·​ac ˈkär-dē-ˌak How to pronounce cardiac (audio)
1
a
: of, relating to, situated near, or acting on the heart
b
: of or relating to the cardia of the stomach
2
: of, relating to, or affected with heart disease
cardiac patients

cardiac

2 of 2

noun

: a person with heart disease

Examples of cardiac 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.
Adjective
Both the mice and human cell clusters showed damage to cardiac tissue and function—but applying drugs that block cytokines partially restored that function. Lauren J. Young, Scientific American, 10 Dec. 2025 As Snowflake ages, the zoo says she's being treated for cardiac issues, arthritis and chronic skin conditions. Madeline Bartos, CBS News, 8 Dec. 2025
Noun
Additionally, Trump's cardiac scan did not show abnormalities in the heart or major vessels, according to Barbabella, and his heart chambers were described as normal in size with no signs of inflammation or clotting. Mary Kekatos, ABC News, 1 Dec. 2025 Today, the hospital has 344 beds and various specialties including cardiac, cancer, neurosciences, orthopedics and women's and children's care, as well as 24-hour emergency services. Lauren Giella, MSNBC Newsweek, 3 Nov. 2025 See All Example Sentences for cardiac

Word History

Etymology

Adjective

Latin cardiacus, from Greek kardiakos, from kardia

First Known Use

Adjective

14th century, in the meaning defined at sense 1a

Noun

1896, in the meaning defined above

Time Traveler
The first known use of cardiac was in the 14th century

Browse Nearby Words

Cite this Entry

“Cardiac.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cardiac. Accessed 12 Dec. 2025.

Kids Definition

cardiac

adjective
car·​di·​ac
ˈkärd-ē-ˌak
: of, relating to, situated near, or acting on the heart

Medical Definition

cardiac

1 of 2 adjective
car·​di·​ac ˈkärd-ē-ˌak How to pronounce cardiac (audio)
1
a
: of, relating to, situated near, or acting on the heart
b
: of or relating to the cardia of the stomach
2
: of, relating to, or affected with heart disease

cardiac

2 of 2 noun
: an individual with heart disease

More from Merriam-Webster on cardiac

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