The Collaborative International Dictionary of English v.0.48:

Dissolution \Dis`so*lu"tion\, n. [OE. dissolucioun
   dissoluteness, F. dissolution, fr. L. dissolutio, fr.
   dissolvere. See Dissolve.]
   1. The act of dissolving, sundering, or separating into
      component parts; separation.
      [1913 Webster]

            Dissolutions of ancient amities.      --Shak.
      [1913 Webster]

   2. Change from a solid to a fluid state; solution by heat or
      moisture; liquefaction; melting.
      [1913 Webster]

   3. Change of form by chemical agency; decomposition;
      resolution.
      [1913 Webster]

            The dissolution of the compound.      --South.
      [1913 Webster]

   4. The dispersion of an assembly by terminating its sessions;
      the breaking up of a partnership.
      [1913 Webster]

            Dissolution is the civil death of Parliament.
                                                  --Blackstone.
      [1913 Webster]

   5. The extinction of life in the human body; separation of
      the soul from the body; death.
      [1913 Webster]

            We expected
            Immediate dissolution.                --Milton.
      [1913 Webster]

   6. The state of being dissolved, or of undergoing
      liquefaction.
      [1913 Webster]

            A man of continual dissolution and thaw. --Shak.
      [1913 Webster]

   7. The new product formed by dissolving a body; a solution.
      --Bacon.
      [1913 Webster]

   8. Destruction of anything by the separation of its parts;
      ruin.
      [1913 Webster]

            To make a present dissolution of the world.
                                                  --Hooker.
      [1913 Webster]

   9. Corruption of morals; dissipation; dissoluteness. [Obs. or
      R.] --Atterbury.
      [1913 Webster]

WordNet (r) 3.0 (2006):

dissolution
    n 1: separation into component parts [syn: dissolution,
         disintegration]
    2: the process of going into solution; "the dissolving of salt
       in water" [syn: dissolving, dissolution]
    3: dissolute indulgence in sensual pleasure [syn: profligacy,
       dissipation, dissolution, licentiousness, looseness]
    4: the termination of a meeting [syn: adjournment,
       dissolution]
    5: the termination or disintegration of a relationship (between
       persons or nations) [syn: dissolution, breakup]