Centralization

noun

1. The act of centralizing or bringing to one center: as, the centralization of commerce in a city; the centralization of control, as in stock companies.
2. Specifically In politics, the concentration of administrative power in the central government at the expense of local self-government.
3. The act or process of centralizing, or the state of being centralized; the act or process of combining or reducing several parts into a whole.

   "the centralization of power in the general government; the centralization of commerce in a city"

4. The act or process of centralizing, or the state of being centralized; the act or process of combining or reducing several parts into a whole; as, the centralization of power in the general government; the centralization of commerce in a city.
5. the act of consolidating power under a central control