/ Dictionary / Index C chronotropic: Meaning and Definition of Find definitions for: chron•o•trop•ic Pronunciation: (kron"u-trop'ik, -trō'pik), [key] — adj. affecting the rate or timing of a physiologic process, as the heart rate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Chronotron -chroous Related Content Daily Word Quiz: menagerie Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language