calcify
1. [ verb ] become impregnated with calcium salts
Related terms: decalcify harden calcification
2. [ verb ] turn into lime; become calcified
Examples:

"The rock calcified over the centuries"

Related terms: change_state calcification
3. [ verb ] become inflexible and unchanging
Examples:

"Old folks can calcify"

Related terms: change calcification
4. [ verb ] convert into lime
Examples:

"the salts calcified the rock"

Related terms: change calcium
Similar spelling:   calcific
  calciferol