/ Dictionary / Index I isentropic: Meaning and Definition of Find definitions for: is•en•trop•ic Pronunciation: (ī"sun-trop'ik, -trō'pik, ī"zun-), [key] — adj. Thermodynam. having a constant entropy. of or pertaining to an isentrope. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: isentropic (Thesaurus) isentrope Isère Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language