ulsterisation

/AH1 L S T ER0 AH0 S EY1 SH AH0 N/
noun
  1. 1

    The devolution of security and policing to Northern Irish forces such as the Royal Ulster Constabulary.

  2. 2

    (by extension) The devolution of security and policing to local forces in any area with an active insurgency.

  3. 3

    The rise of nationalism in a region, and consequent rejection of traditional left/right politics in favour of nationalist/unionist politics.