Just words...

[silverthorne]

Racism:
1)A doctrine or teaching, without scientific support, that claims to find racial differences in character, intelligence, etc that asserts the superiority of one race over another or others, and that seeks to maintain the supposed purity of a race or the races.

2)Any program or practice of racial discrimination, segregation, etc. based on such beliefs.


Prejudice:
1)A judgment or opinion formed before the facts are known; preconceived idea, favorable, or, more usually, unfavorable.

2)A) A judgment or opinion held in disregard of facts that contradict it; unreasonable bias. b) the holding of such judgments or opinions.

3)Suspicion, intolerance, or irrational hatred of other races, creeds, regions, occupations, etc.

4)Injury or harm resulting as from some judgment or action of another or others.


Bigot:
1)A person who holds blindly and intolerantly to a particular creed, opinion, etc.
2)A narrow-minded, prejudiced person.

Bigotry:
The behavior, attitude, or beliefs of a bigot; intolerance; prejudice.


Definitions taken from Websters New World College Dictionary, hardback, Third edition.

ETA: More from the same source:

Imperialism:
1) Imperial state, authority, or system of government

2) The policy and practice of forming and maintaining an empire in seeking to control raw materials and world markets by conquest or other countries, the establishment of colonies, etc.

3) The policy and practice of seeking to dominate the economic or political affairs of underdeveloped areas or weaker countries.


White
7) a) having a light colored skin; Caucasoid. b) of, controlled by, or restricted to Caucasoids.


Caucasoid
[[from the erroneous notion that the original home of the hypothetical Indo-Europeans was the Caucasus]]
Designating or of one of the major geographical varieties of human beings, including peoples of Europe, Africa, the Near East, India, etc, who are characterized by tall stature, straight or wavy hair, etc; loosely called the white race although it embraces many peoples of dark skin color.