'Diastasis' definitions:

Definition of 'diastasis'

(from WordNet)
noun
Separation of an epiphysis from the long bone to which it is normally attached without fracture of the bone

Definition of 'Diastasis'

From: GCIDE
  • Diastasis \Di*as"ta*sis\, n. [NL. See Diastase.] (Surg.) A forcible separation of bones without fracture. [1913 Webster]