cardiac

1 of 2

adjective

car·​di·​ac ˈkär-dē-ˌak 

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

Adjective

The hospital serves children with more complex pediatric conditions including complex cardiac, neurosurgical, congenital anomalies, cancer and blood disorders in addition to the everyday ailments of the state’s children. — Livi Stanford, Hartford Courant, 5 Nov. 2026

Sudden changes in potassium levels can throw off cardiac rhythm and make severe rhabdo cases life-threatening, Desai says. — Tom Gavin, EverydayHealth.com, 4 Nov. 2026

Noun

Knowings died from cardiac arest, per PEOPLE, which obtained Knowings’ death certificate. — Kathleen Perricone, Entertainment Weekly, 2 Sep. 2026

That causes cardiac, metabolic, and other downstream health effects. — Jeffrey Kluger, Time, 5 Mar. 2026

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

Phrases Containing cardiac

• cardiac arrest
• cardiac catheterization
• cardiac muscle

Rhymes for cardiac

• aback
• attack
• backpack
• backtrack
• bareback
• blackjack
• brownback
• buyback
• callback
• cognac
• comeback
• cutback

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 

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