Also found in: Thesaurus, Medical, Idioms, Encyclopedia.


v. os·si·fied, os·si·fy·ing, os·si·fies
1. To change into bone; become bony.
2. To become set in a rigidly conventional pattern: "The central ideas of liberalism have ossified" (Jeffrey Hart).
1. To convert (a membrane or cartilage, for example) into bone.
2. To mold into a rigidly conventional pattern.

[Latin os, oss-, bone; see ost- in Indo-European roots + -fy.]

os·sif′ic (ŏ-sĭf′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Medicine) turned to bone
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


a. osífico-a, rel. a la formación del tejido óseo.
English-Spanish Medical Dictionary © Farlex 2012
References in periodicals archive ?
In the pre-pubertal phase of laboratory animal, there is metopic suture closure and ossific centers emerge which serve as their age indicators.
The dashed arrow points to an ossific fragment near the distal humerus which likely represents the olecranon avulsion.
Injury to the lower medial epiphysis of the humerus before development of the ossific centre.