deinstitutionalizeverb [ T ]
UK usually deinstitutionalise uk/ˌdiː.ɪn.stɪˈtjuː.ʃən.ə.laɪz//-ˈtuː-/to take someone permanently out of an institution, such as a psychiatric hospital, where they have been living for a long time:
The article describes procedures used by a residential facility to successfully deinstitutionalize severely handicapped persons.
deinstitutionalization
noun [ U ] UK usually deinstitutionalisation uk/ˌdiː.ɪn.stɪˌtjuː.ʃən.ə.laɪˈzeɪ.ʃən//-ˌtuː-/
the deinstitutionalization of children in social care