The process of change into a stony or calcareous substance by the deposition of lime salt; -- normally, as in the formation of bone and of teeth; abnormally, as in calcareous degeneration of tissue.
- Impregnation with calcium or calcium salts, as with calcium carbonate.
- Hardening, as of tissue, by such impregnation.
- A calcified substance or part.
- An inflexible, unchanging state: calcification of negotiations.