abarticulation
/æb.ɑɹˌtɪk.jʊˈleɪ.ʃən/noun
Graduate
1
An articulation, especially one that permits free motion in the joint; a hinge joint.
2
The act of dislocating a joint.
3
A term sometimes used for diarthrosis, and also for synarthrosis. Also called dearticulation.