The formation of bone; the process, in the growth of an animal, by which inorganic material (mainly lime salts) is deposited in cartilage or membrane, forming bony tissue; ostosis.
- The natural process of bone formation.
- The hardening or calcification of soft tissue into a bonelike material.
- A mass or deposit of such material.
- The process of becoming set in a rigidly conventional pattern, as of behavior, habits, or beliefs.
- Rigid, unimaginative convention.