is caucasian an ethnic group
For other uses, see Ethnic groups in Europe. The Caucasian race (also Caucasoid or occasionally Europid) is a taxon historically used to describe the physical or biological type of some or all of the populations of Europe, North Africa, the Horn of Africa, Western Asia, Central Asia, and South Asia.he United States National Library of Medicine often used the term Caucasian as a race in the past. However, it later discontinued such usage in favor of the more narrow geographical term European, which traditionally only applied to a subset of Caucasoids.