separation

(law) the cessation of cohabitation of man and wife (either by mutual agreement or under a court order).

Coming apart.

The distance between things.

“fragile items require separation and cushioning”

Sorting one thing from others.

“the separation of wheat from chaff”

“the separation of mail by postal zones”

The act of dividing or disconnecting.

The social act of separating or parting company.

“the separation of church and state”

The space where a division or parting occurs.

“he hid in the separation between walls”

The state of lacking unity.

The termination of employment (by resignation or dismissal).