/ Dictionary / Index E externalization: Meaning and Definition of Find definitions for: ex•ter•nal•i•za•tion Pronunciation: (ik-stûr"nl-u-zā'shun), [key] — n. the act or process of externalizing. the quality or state of being externalized. something that is externalized. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: externalization (Thesaurus) externality externalize Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language