externalization

Noun

 * 1) The process of making something external, or visible from the outside.
 * 2) A physical thing that typifies an abstract thing; an embodiment or personalization.
 * 3)  In Freudian psychology, an unconscious defense mechanism by which an individual "projects" his or her own internal characteristics onto the outside world or other people.

Translations

 * French:
 * Romanian: externizare
 * Spanish: exteriorización