/ Dictionary / Index C cardiac neurosis: Meaning and Definition of Find definitions for: car'diac neuro"sis Pronunciation: [key] — Pathol. Pathol. an anxiety reaction characterized by quick fatigue, shortness of breath, rapid heartbeat, dizziness, and other cardiac symptoms, but not caused by disease of the heart. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cardiac muscle cardiac output Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language