Dissociate

verb

1. To make unrelated; to sever a connection; to separate.

   "A number of group members wish to dissociate themselves from the majority."

2. To part; to stop associating.

   "After the big fight, the gang totally dissociated from each other."

3. To separate compounds into simpler component parts, usually by applying heat or through electrolysis.

   "We dissociated the lead iodide into its elements by heating"

4. To undergo dissociation.
5. To undergo dissociation.

   "Gerald checked himself into the hospital because he was dissociating."