/ Dictionary / Index E evaporation: Meaning and Definition of Find definitions for: e•vap•o•ra•tion Pronunciation: (i-vap"u-rā'shun), [key] — n. the act or process of evaporating. the state of being evaporated. matter or the quantity of matter evaporated or passed off in vapor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: evaporation (Thesaurus) evaporated milk evaporation pan Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language