1. Convert into lime
   "the salts calcified the rock"
    
2. Turn into lime; become calcified
   "The rock calcified over the centuries"
    
3. Become impregnated with calcium salts
   "The tissue began to calcify, forming bone-like structures"
    
4. Become inflexible and unchanging
   "Old folks can calcify"

Derived forms: calcified, calcifies, calcifying

Type of: alter, change, change state, harden, indurate, modify, turn

Antonym: decalcify

Encyclopedia: Calcify