- of or relating to the heart
- of or relating to the portion of the stomach connected to the oesophagus
- a person with a heart disorder
WordReference Random House Learner's Dictionary of American English © 2026
car•di•ac /ˈkɑrdiˌæk/USA pronunciation
adj. [before a noun]
WordReference Random House Unabridged Dictionary of American English © 2026- Anatomyof or relating to the heart, or to treatment of the heart: cardiac disease.
car•di•ac
(kär′dē ak′),USA pronunciation adj.
n.
- Anatomyof or pertaining to the heart:cardiac disease.
- Anatomyof or pertaining to the esophageal portion of the stomach.
n.
- Medicinea cardiac remedy.
- Medicinea person suffering from heart disease.
- Greek kardiakós, equivalent. to kardí(a) heart + -akos -ac
- Latin cardiacus
- Middle French cardiaque)
- late Middle English (1400–50
Collins Concise English Dictionary © HarperCollins Publishers::
cardiac /ˈkɑːdɪˌæk/ adj
'cardiac' also found in these entries (note: many are not synonyms or translations):
arrest
- asystole
- calcium channel blocker
- cardiac arrest
- crash team
- heart
- insufficiency
- pacemaker
- paramedic
- rhythm
- sudden adult death syndrome
- AC
- acebutolol
- aneurysm
- atenolol
- ballistocardiograph
- belladonna
- bufadienolide
- cardiac cycle
- cardiac glycoside
- cardiac muscle
- cardiac neurosis
- cardiac output
- cardiac tamponade
- cardiectomy
- cardiogenic shock
- cardioplegia
- code blue
- crash
- decompression
- dextrocardia
- digitoxin
- digoxin
- diplocardiac
- disopyramide
- effort syndrome
- epinephrine
- hypochondria
- intracardiac
- irritable heart
- Lyme disease
- metoprolol
- murmur
- neurocirculatory asthenia
- ouabain
- procaine amide
- propranolol
- Purkinje fiber
- rheumatic fever
- tamponade