to mix completely with a liquid and become part of it, or to make a solid substance do this.
Sugar dissolves quickly in hot water.
Dissolve the tablet under your tongue.
✦ From Latin dissolvere 'to loosen', from dis- 'apart' + solvere 'to loosen'.
to gradually disappear or cause something to disappear.
Her fears dissolved when she saw the truth.
The fog slowly dissolved in the morning sun.
to officially end or break up an organization, marriage, or business partnership.
Parliament will be dissolved next month.
They dissolved their business partnership after ten years.
a gradual change from one picture in a film or video to the next, where one fades out as the other fades in.
Use a dissolve between the two scenes.
The dissolve created a smooth effect.
✦ From Latin dissolvere 'to loosen', from dis- 'apart' + solvere 'to loosen'; cinematic sense from 1920s.