1. the act or process of resolving or dissolving into parts or elements.
2. the resulting state.
3. the undoing or breaking of a bond, tie, union, partnership, etc.
4. the breaking up of an assembly or organisation; dismissal; dispersal.
5. Government: an order issued by the head of a state terminating a parliament and necessitating a new election.
Etymology: from Middle English dissolucioun < Latin dissolūtiōn-, stem of dissolūtiō, from dis-, a Latin prefix meaning “apart,” “asunder,” “away,” “utterly,” or having a privative, negative, or reversing force + solution, from Latin solūtus, “free, unfettered”, from solver, “to release”.
[Peter Gric - Dissolution of Ego]