The Collaborative International Dictionary of English v.0.48:

Dissolving \Dis*solv"ing\, a.
   Melting; breaking up; vanishing. -- Dis*solv"ing*ly, adv.
   [1913 Webster]

   Dissolving view, a picture which grows dim and is gradually
      replaced by another on the same field; -- an effect
      produced by magic lanterns.
      [1913 Webster]