What is the meaning of separatism?

noun

• A social system that provides separate facilities for minority groups.
  • synonyms: segregation
• A disposition toward schism and secession from a larger group; the principles and practices of separatists.
  • usage: "separatism is a serious problem in Quebec"; "demands for some form of separatism on grounds of religion have been perceived as a threat to mainstream education"
• Advocacy of a policy of strict separation of church and state.
  • synonyms: separationism