Treating one or more members of a specified group unfairly as compared with other people. What does the noun discrimination mean?The practice of treating someone or a particular group in society less fairly than others. This article begins with the link of culture to prejudice, noting specific culturebased prejudices of ethnocentrism and xenophobia. Discrimination is an action or practice that excludes, disadvantages, or merely differentiates between individuals or groups of individuals Oxford defines racism as discrimination against a people on the basis of membership in a racial or ethnic group. A person who has had a substantially limiting mental or physical impairment in the past. Thus ethnic and racial attitudes have become more complex than they were in the past. Racism is discrimination and prejudice against people based on their race or ethnicity. (see discrimination; racial discrimination; gender discrimination; LGBTI rights; age discrimination).