Yes, dissolve is a Scrabble word!

Verb

1. Become weaker

2. Cause to go into a solution

3. Come to an end

4. Stop functioning or cohering as a unit

5. Cause to lose control emotionally

6. Lose control emotionally

7. Cause to fade away

8. Pass into a solution

9. Become or cause to become soft or liquid

10. Bring the association of to an end or cause to break up

11. Declare void

Noun

1. (film) a gradual transition from one scene to the next; the next scene is gradually superimposed as the former scene fades out