os·si·fy /ˈɑsəˌfaɪ/
 (vt.)使骨化,使硬化(vi.)骨化,硬化,變無情
 os·si·fy /ˈɑsəˌfaɪ/ 動詞
 骨化,成骨
 Os·si·fy v. t. [imp. & p. p. Ossified p. pr. & vb. n. Ossifying ]
 1. Physiol. 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.
 Os·si·fy, v. i. Physiol. To become bone; to change from a soft tissue to a hard bony tissue.
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 ossify
      v 1: become bony; "The tissue ossified"
      2: make rigid and set into a conventional pattern; "rigidify
         the training schedule"; "ossified teaching methods";
         "slogans petrify our thinking" [syn: rigidify, petrify]
      3: cause to become hard and bony; "The disease ossified the
         tissue"
      [also: ossified]