Definitions:

1. In surgical context, refers to the surgical removal of a limb or part of a limb through a joint, rather than through the bone. NOUN
   • The procedure involved abarticulation at the knee joint to minimize complications.
2. The dislocation or separation of a joint, where the bones are no longer aligned properly. NOUN
   • The traumatic injury resulted in the abarticulation of the shoulder joint.

Synonyms:

• detachment
• diarthrosis
• disconnection
• separation