ossification

noun3

1. •
   The normal process by which bone is formed.

   • Ectopic chondrocyte hypertrophy has been demonstrated in OA, suggesting that the pathogenetical process involves a recapitulation of endochondral ossification [ 11 – 13 ]. — 2010
2. •
   The calcification of tissue into a bonelike mass; the mass so formed.
3. •
   The process of becoming set in one's ways or beliefs; rigid conventionality.