Breadcrumb Home > Dictionary > Index A adiabatic: Meaning and Definition of Find definitions for: ad•i•a•bat•ic Pronunciation: (ad"ē-u-bat'ik, ā"dī-u-), [key] — adj. occurring without gain or loss of heat (opposed to diabatic): an adiabatic process. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: adiabatic (Thesaurus) adiabat adiabatic chart TrendingHere are the facts and trivia that people are buzzing about. Animal Group Terminology Largest Countries in the World (by Area) Current Events This Week: January 2023 State Abbreviations Dinosaur Fossils (By U.S. State!) The Chinese Zodiac ✖ Related Content Daily Word Quiz: locution Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language