What usgs stand for and what do they do? The United States Geological Survey/service were and are the cartographers that converted early maps into the GPS location system known today. Edit
Medical Definition of EGOCENTRIC. 1. : limited in outlook or concern to one's own activities or needs.
existing in the mind; belonging to the thinking subject rather than to the object of thought (opposed to objective). 2. pertaining to or characteristic of an individual; personal; individual: a subjective evaluation. 3. placing excessive emphasis on one's own moods, attitudes, opinions, etc.; unduly egocentric.