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.
In anthropology ego refers to the individual from whom the networks of kinship and family relationship and descent are traced. In psychology the term ego is used to refer to the self of the individual and the way they have constructed their personality and social identity.