Breadcrumb Home > Dictionary > Index C cardiology: Meaning and Definition of Find definitions for: car•di•ol•o•gy Pronunciation: (kär"dē-ol'u-jē), [key] — n. the study of the heart and its functions in health and disease. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cardiology (Thesaurus) cardiolipin cardiomegaly ✖ Related Content Daily Word Quiz: evanescent Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language