ra ‧ cis ‧ m /ˈreɪsɪz ə m/ BrE AmE noun [uncountable]
[ Word Family: noun : ↑ race , ↑ racism , ↑ racist ; adjective : ↑ racial , ↑ multiracial , ↑ racist ; adverb : ↑ racially ]
1 . unfair treatment of people, or violence against them, because they belong to a different race from your own:
The government has promised to continue the fight against racism.
the problem of racism in schools
2 . the belief that some races of people are better than other races