| n. | 1. | (Physiol.) 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. |
| Noun | 1. | calcification - a process that impregnates something with calcium (or calcium salts) |
| 2. | calcification - tissue hardened by deposition of lime salts | |
| 3. | calcification - an inflexible and unchanging state; "the calcification of negotiations" |