To Dissociate

1. (transitive) To make unrelated; To Sever a connection; to separate.
2. (intransitive) To part; to stop associating.
3. (chemistry, transitive) To separate compounds into simpler componentparts, usually by applying heat or through electrolysis.
4. (chemistry, intransitive) To undergo dissociation.
5. (psychology, intransitive) To undergo dissociation.