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.
Having a specified kind or number of centers: polycentric. 2. Having a specified object as the center: geocentric. 3. Focused on or viewed in terms of a specified area, subject, or culture: anthropocentric; Afrocentric.