nationalization

/ˌnæʃənələˈzeɪʃən/
noun
  1. The process of a government taking control of a private industry, company, or asset, making it publicly owned.
    • The nationalization of the oil industry gave the government control over energy resources.
    • After nationalization, the former private bank became a state-owned institution.
    • Many citizens debated the nationalization of the railway system.