The correct word is white, while caucasian is generally avoided because of its vagueness Anthropology., (no longer in technical use) a member of the peoples traditionally classified as the caucasian race, especially those peoples having light to fair skin. White is the color of the skin, which also denotes a race while caucasian has a much more complicated definition that makes it quite antiquated.
Caucasian Race History at Alana Toomey blog
Most of us equate the noun caucasian with white person, but it's much more specific than that
It touches on issues much deeper than skin color, and it kindles questions of race and the very origin of humans.
The meaning of caucasian is of or relating to the caucasus or its inhabitants How to use caucasian in a sentence Anthropologist johann friedrich blumenbach took racial classification further and divided humans into five races based on skin color — caucasian (the white race), mongoloid (the yellow race), malayan (the brown race), ethiopian (the black race), and american (the red race). Caucasian peoples, various ethnic groups living in the caucasus, a geographically complex area of mountain ranges, plateaus, foothills, plains, rivers, and lakes, with grasslands, forests, marshes, and dry steppes.
Belonging to the races of people who have skin that is of a pale colour
