Source : Webster's Revised Unabridged Dictionary (1913)

Cartilaginification \Car`ti*la*gin`i*fi*ca"tion\, n. [L.
   cartilago, -laginis, cartilage + facere to make.]
   The act or process of forming cartilage. --Wright.

Source : WordNet®

cartilaginification
     n : abnormal formation of cartilage from other tissues; observed
         in some Orientals