dissociate

Short definition from Wiktionary

Verb

1. 1
   To make unrelated; to sever a connection; to separate.
2. 2
   To part; to stop associating.
3. 3
   To separate compounds into simpler component parts, usually by applying heat or through electrolysis.
4. 4
   To undergo dissociation.
5. 5
   To undergo dissociation.