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

One experimental study on 90 mothers determined that just ten minutes of phone exposure later in pregnancy could reduce cardiac output in their child. — New Atlas, 24 Sep. 2026

Perhaps the drugs might work in a different group of subjects than the ones included in the studies, such as people who are at high risk but have not yet experienced cardiac events. — Adam Cohen, Oklahoman, 22 Sep. 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