Ìṣẹlẹ́yàmẹ̀yà is usually defined as views, practices and actions reflecting the belief that humanity is divided into distinct biological groups called races and that members of a certain race share certain attributes which make that group as a whole less desirable, more desirable, inferior or superior. Racism Encyclopædia Britannica Racism Oxford Dictionaries "Racism" in R. Schaefer. 2008 Encyclopedia of Race, Ethnicity and Society. SAGE. p. 1113