racism | (rszm) n. 1. The belief that race accounts for differences in human character or ability and that a particular race is superior to others.2. Discrimination or prejudice based on race.racist adj. & n. |
→ The American Heritage® Dictionary of the English Language, Fourth Edition copyright ©2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

racism (ˈreɪsɪzəm) or racialism n 1. (Sociology) the belief that races has distinctive cultural characteristics determined by hereditary factors and that this endows some races with an intrinsic superiority over others
2. (Sociology) abusive or aggressive behavior towards members of another race on the basis of such a belief
ˈracist ˈracialist n, adj

→Collins English Dictionary – Complete and Unabridged © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003

rac•ism (ˈreɪsɪzəm)

n.
1. a belief or doctrine that inherent differences among the various human races determine cultural or individual achievement, usu. involving the idea that one's own race is superior.
2. a policy, system of government, etc., based on such a doctrine.
3. hatred or intolerance of another race or other races.
[1865–70; < French racisme. See race2, -ism] rac′ist, n., adj.

→Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

racism
1. a belief that human races have distinctive characteristics that determine their respective cultures, usually involving the idea that one’s race is superior and has the right to control others.
2. a belief in a policy of enforcing the asserted right of control. — racist, n., adj.

discrimination on the basis of race, especially against blacks and other non-whites.
See also: Discrimination

→Ologies & -Isms.