ossify

Verb

• cause to become hard and bony
  • The disease ossified the tissue
    

• make rigid and set into a conventional pattern
  • rigidify the training schedule
    
  • ossified teaching methods
    
  • slogans petrify our thinking
    

• become bony
  • The tissue ossified
    

Related words

• Synonyms: 
  rigidify , petrify