What's the adjective for Caucazoids? Here's the word you're looking for.
Caucasian
Of, or relating to the Caucasus region or its people, languages and culture.
(anthropology) Of a racialclassification; pertaining to people having certain phenotypical features such as straight, wavy or curly hair and very light to brown pigmented skin, and originating from Europe, parts of Northern Africa and Western, Central and South Asia.
(anthropology) Being a member of the racial classification of humanity composed of many peoples inhabiting Europe, the Northeast Atlantic, North Africa, the Horn of Africa, West Asia, South Asia and parts of Central Asia, as well as their descendants in other regions of the world.