separation

sepa|ra|tion /s'epər'eɪʃən/ (separations)
1 [N-VAR] oft N of/from/between n
The separation of two or more things or groups is the fact that they are separate or become separate, and are not linked.
...a `Christian republic' in which there was a clear separation between church and state.
2 [N-VAR]
During a separation, people who usually live together are not together.
All children will tend to suffer from separation from their parents and siblings.
3 [N-VAR]
If a couple who are married or living together have a separation, they decide to live apart.
They agreed to a trial separation.