chondrify

from The American Heritage® Dictionary of the English Language, 5th Edition.

• intransitive verb To change (a tissue) into cartilage.
• intransitive verb To develop into cartilage or become cartilaginous.

from The Century Dictionary.

• To convert into cartilage.
• To be converted into cartilage; become cartilaginous.

from the GNU version of the Collaborative International Dictionary of English.

• verb To convert, or be converted, into cartilage.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb To convert, or be converted, into cartilage.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb turn into cartilage