segregation
US /ˌseɡ.rəˈɡeɪ.ʃən/
UK /ˌseɡ.rəˈɡeɪ.ʃən/

1.
the action or state of setting someone or something apart from other people or things or being set apart
:
•
The segregation of waste materials is important for recycling.
•
There was a clear segregation of duties in the new organizational structure.
2.
the enforced separation of different racial groups in a country, community, or establishment
:
•
Racial segregation was a major issue in the civil rights movement.
•
The country abolished legal segregation decades ago.