OSSIFYING
Verb
ossifying
present participle of ossify
Source: Wiktionary
Os"si*fy`ing, a. (Physiol.)
Definition: Changing into bone; becoming bone; as, the ossifying process.
OSSIFY
Os"si*fy, v. t. [imp. & p. p. Ossified; p. pr. & vb. n. Ossifying.]
Etym: [L. os, ossis, bone + -fy: cf. F. ossifier. See Osseous.]
1. (Physiol.)
Definition: To form into bone; to change from a soft animal substance into
bone, as by the deposition of lime salts.
2. Fig.: To harden; as, to ossify the heart. Ruskin.
Os"si*fy, v. i. (Physiol.)
Definition: To become bone; to change from a soft tissue to a hard bony
tissue.
Source: Webster’s Unabridged Dictionary 1913 Edition