/ Dictionary / Index A adiabatic chart: Meaning and Definition of Find definitions for: ad'iabat'ic chart' Pronunciation: [key] a graph for the analysis of adiabatic processes. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. adiabatic adiactinic Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language