/ Dictionary / Index E externalizer: Meaning and Definition of Find definitions for: ex•ter•nal•iz•er Pronunciation: (ik-stûr'nl-ī"zur), [key] — n. Psychol. a person who draws a locus of control from the external world, depending on others as a source of values, ideas, and security. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. externalize external jugular vein 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