Definition of dissolve verb from the Oxford Advanced Learner's Dictionary
dissolve
verb
dɪˈzɒlv dɪˈzɑːlv
1[intransitive]dissolve (in something) (of a solid) to mix with a liquid and become part of itSalt dissolves in water.Heat gently until the sugar dissolves.2[transitive]dissolve something (in something)to make a solid become part of a liquidDissolve the tablet in water.3[transitive]dissolve somethingto officially end a marriage, business agreement or parliamentTheir marriage was dissolved in 1999.The election was announced and parliament was dissolved.4[intransitive, transitive]to disappear; to make something disappearWhen the ambulance had gone, the crowd dissolved.dissolve somethingHis calm response dissolved her anger.5[intransitive]dissolve into laughter, tears, etc.to suddenly start laughing, crying, etcWhen the teacher looked up, the children dissolved into giggles.Every time she heard his name, she dissolved into tears.6[transitive, intransitive]to remove or destroy something, especially by a chemical process; to be destroyed in this waydissolve something (away)a new detergent that dissolves stainsdissolve (away)All the original calcium had dissolved away.