Definitions of dissolution
the act of breaking up an official organisation.
The Prime Minister is trying to push through a raft of new legislation ahead of Monday's dissolution of Parliament.
the act of officially ending a contract, business or other legal relationship
A corporation may dissolve by filing articles of dissolution.
the legal ending of a civil partnership (=a civil union between two people of the same sex); the legal ending of a marriage
The rules governing distribution of property on dissolution of a civil partnership are identical to those on divorce.